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Source:

https://jonesrh.info/volvo850/list_of_all_known_interpreted_KWPD3B0_DTCs_for_850_S70.txt

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 List of all known interpreted DTCs from '96-'98 850/S70/V70/C70/XC70 ECUs

                    that are KWPD3B0-conversant

 -------------------------------------------------------------------------

-- The following EE01 responses were constructed input to force the

-- KWPD3B0 interpreter to list the DTCs in an easy to read format.

-- This is an accurate representation of how the KWPD3B0 interpreter at

   http://jonesrh.info/volvo850/kwpd3b0_interpreter.html translates the

   2 hex digit raw DTC code sent from the ECUs into the 3-digit Volvo DTC code

   that the Volvo world discusses (as of the date of this document).

   However, THERE IS ABSOLUTELY **NO** GUARANTEE THAT THE 2-DIGIT RAW TO

   3-DIGIT VOLVO DTC INTERPRETATIONS SHOWN BELOW ACCURATELY REFLECT THE

   CORRECT MEANING OF THE RAW DTC CODE!!!  This is simply our best attempt

   at understanding them with the limited resources available.

   So, DIYer, feel free to use them as a guide, but do not consider them

   as an authoritative guide.  We have no idea how well they correlate with

   the DTCs declared by an official Volvo VST tool (or a VST-lookalike tool).

   Determining their accuracy is left as the proverbial "exercise for the reader".

-- Below, the 2 digits before the " -> " are the hex digits representing

   the 1-byte raw DTC code, and the next 3 digits seen on that line

   (after the " -> " and after the mnemonic for the ECU and subsequent hyphen)

   are the commonly referred to Volvo DTC code.

   As an example, let's use the 2nd DTC below:

       ECU 51 DTC 02 -> CI-221 -- Vehicle Speed Signal missing

   That CI-221 might be referred to in Volvo literature as: CI-221, CI221,

   simply 221 (in the context of a discussion on the COMBI), or 2-2-1

   (as was used to designate how the codes appeared on the 1995 850

   when the under-the-hood DTC reading tool was used).

   If the COMBI has 1 single DTC, and it is for "Vehicle Speed Signal missing",

   then the raw hex code 02 is sent back from the COMBI ECU in the

   following response (as viewed by an ELM327, including both the AE01

   request and the EE01 positive ack response to AE01).

       >AE01

       84 13 51 EE 01 02 D9

                      ^^

                     1st

                  (and only)

                     DTC

                   in this

                   response

   If the COMBI has 2 DTCs, one for "Vehicle Speed Signal missing" and

   one for when the Fuel Level has gotten sufficiently low,

   then the raw hex codes 02 and 05 would be sent back from the COMBI ECU

   in the following response (as viewed by an ELM327, including both the AE01

   request and the EE01 positive ack response to AE01).

       >AE01

       85 13 51 EE 01 02 05 DF

                      ^^ ^^

                     1st 2nd

                     DTC DTC

   The KWPD3B0 interpreter interprets that as:

       >AE01

       85 13 51 EE 01 02 05 DF

        ------ ECU 51 has 2 DTCs: 02 05

        ------ ECU 51 DTC #1: 02 -> CI-221 -- Vehicle Speed Signal missing [usually due to bad ABS module solders] [P0500].

        ------ ECU 51 DTC #2: 05 -> CI-113 -- Low Fuel / Fuel Level signal interrupted.

  Note that the interpretation for CI-221 has been enhanced to show what

  OBDII emission diagnostic Pxxxx code may also appear simultaneous with

  the CI-221 code.  Note that the P0500 code can be read by most any typical

  OBDII emission diagnostics scanning tool, whereas the CI-221 and CI-113

  COMBI codes must be read by some scanning tool which has knowledge of the

  KWPD3B0 protocol (which sometimes might be referred to as Volvo D2 protocol).

------------------------------------------------------------------

--  Show all known, interpreted ECU 51 (COMBI Trip Computer) DTCs.

 ------ ECU 51 has 22 DTCs: 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 14 15 16 17 20

 ------ ECU 51 DTC #1: 01 -> CI-222 -- Vehicle Speed Signal too high.

 ------ ECU 51 DTC #2: 02 -> CI-221 -- Vehicle Speed Signal missing [usually due to bad ABS module solders] [P0500].

 ------ ECU 51 DTC #3: 03 -> CI-114 -- Fuel Level sensor stuck / signal constant for 94 miles.

 ------ ECU 51 DTC #4: 04 -> CI-112 -- Fuel Level signal short to ground.

 ------ ECU 51 DTC #5: 05 -> CI-113 -- Low Fuel / Fuel Level signal interrupted.

 ------ ECU 51 DTC #6: 06 -> CI-121 -- Engine Coolant Temperature signal faulty [see "http://www.volvopedia.de/index.php?title=CI-121", translate to your language, then see "http://www.volvotips.com/index.php/850-2/volvo-850-s70-v70-c70-service-repair-manual/volvo-850-instrument-panel-service-repair-manual/"].

 ------ ECU 51 DTC #7: 07 -> CI-123 -- 48-pulse output Speed Signal short to supply.

 ------ ECU 51 DTC #8: 08 -> CI-143 -- 48-pulse output Speed Signal short to ground.

 ------ ECU 51 DTC #9: 09 -> CI-131 -- 12-pulse output Speed Signal short to supply.

 ------ ECU 51 DTC #10: 0A -> CI-141 -- 12-pulse output Speed Signal short to ground.

 ------ ECU 51 DTC #11: 0B -> CI-132 -- Engine RPM signal missing.

 ------ ECU 51 DTC #12: 0C -> CI-124 -- Engine RPM signal faulty.

 ------ ECU 51 DTC #13: 0D -> CI-211 -- D+ alternator voltage signal missing (or too low) for >= 10 sec when > 1000 RPM.

 ------ ECU 51 DTC #14: 0E -> CI-133 -- Fuel Level Signal To Trip Computer short to supply.

 ------ ECU 51 DTC #15: 0F -> CI-142 -- Ambient Temperature signal missing.

 ------ ECU 51 DTC #16: 10 -> CI-231 -- COMBI microprocessor internal fault.

 ------ ECU 51 DTC #17: 11 -> CI-174 -- Wide Disparity in Fuel Levels and/or Fuel Consumption signal missing [DTC never seen, Freeze Frame sometimes precedes a Low Fuel situation and occasionally follows a Fillup].

 ------ ECU 51 DTC #18: 14 -> CI-174?? -- ??Fuel Consumption signal (according to Brick-Diag Free v0.0.6.6)??.

 ------ ECU 51 DTC #19: 15 -> CI-174?? -- ??Fuel Consumption signal (according to Brick-Diag Free v0.0.6.6)??.

 ------ ECU 51 DTC #20: 16 -> CI-174?? -- ??Fuel Consumption signal (according to Brick-Diag Free v0.0.6.6)??.

 ------ ECU 51 DTC #21: 17 -> CI-174?? -- ??Fuel Consumption signal (according to Brick-Diag Free v0.0.6.6)??.

 ------ ECU 51 DTC #22: 20 -> CI-232 -- COMBI is not yet programmed.

--------------------------------------------------------

--  Show all known, interpreted ECU 58 (SRS) DTCs.

--------------------------------------------------------

 ------ ECU 58 has 53 DTCs: 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 52 53 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 78 79 7A 7B 7C 7D 7E 7F 80 81 82 83 88 89 8A 8B 8C 8D C7

 ------ ECU 58 DTC #1: 01 -> SRS-112 -- Crash Sensor Module internal fault.

 ------ ECU 58 DTC #2: 02 -> SRS-211 -- Driver Airbag short circuit (in contact reel and/or in SRS harness to airbag, connectors, or igniter).

 ------ ECU 58 DTC #3: 03 -> SRS-212 -- Driver Airbag open circuit (in SRS harness, connector, or airbag).

 ------ ECU 58 DTC #4: 04 -> SRS-213 -- Driver Airbag short circuit to ground (in contact reel, airbag, wiring harness, or connectors).

 ------ ECU 58 DTC #5: 05 -> SRS-214 -- Driver Airbag short circuit to supply (in contact reel, airbag, wiring harness, or connectors).

 ------ ECU 58 DTC #6: 06 -> SRS-221 -- Passenger Airbag short circuit (in SRS harness to airbag, connectors, or igniter).

 ------ ECU 58 DTC #7: 07 -> SRS-222 -- Passenger Airbag open circuit (in SRS harness, connector, or airbag).

 ------ ECU 58 DTC #8: 08 -> SRS-223 -- Passenger Airbag short circuit to ground (in airbag, wiring harness, or connectors).

 ------ ECU 58 DTC #9: 09 -> SRS-224 -- Passenger Airbag short circuit to supply (in airbag, wiring harness, or connectors).

 ------ ECU 58 DTC #10: 0A -> SRS-231 -- Left Seat Belt Tensioner short circuit (in SRS harness to tensioner, connectors, or igniter).

 ------ ECU 58 DTC #11: 0B -> SRS-232 -- Left Seat Belt Tensioner open circuit (in SRS harness, connector, or tensioner).

 ------ ECU 58 DTC #12: 0C -> SRS-233 -- Left Seat Belt Tensioner short circuit to ground (in tensioner, wiring harness, or connectors).

 ------ ECU 58 DTC #13: 0D -> SRS-234 -- Left Seat Belt Tensioner short circuit to supply (in tensioner, wiring harness, or connectors).

 ------ ECU 58 DTC #14: 0E -> SRS-241 -- Right Seat Belt Tensioner short circuit (in SRS harness to tensioner, connectors, or igniter).

 ------ ECU 58 DTC #15: 0F -> SRS-242 -- Right Seat Belt Tensioner open circuit (in SRS harness, connector, or tensioner).

 ------ ECU 58 DTC #16: 10 -> SRS-243 -- Right Seat Belt Tensioner short circuit to ground (in tensioner, wiring harness, or connectors).

 ------ ECU 58 DTC #17: 11 -> SRS-244 -- Right Seat Belt Tensioner short circuit to supply (in tensioner, wiring harness, or connectors).

 ------ ECU 58 DTC #18: 52 -> SRS-127 -- SRS Warning Light short circuit to ground or open circuit [see sections "FAULT CODE 1-2-7" and "SRS WARNING LIGHT WILL NOT COME ON" in "air bag restraint system.pdf" of "http://www.matthewsvolvosite.com/downloads/Volvo_850.zip"].

 ------ ECU 58 DTC #19: 53 -> SRS-128 -- SRS Warning Light short circuit to supply [see sections "FAULT CODE 1-2-7" and "SRS WARNING LIGHT WILL NOT COME ON" in "air bag restraint system.pdf" of "http://www.matthewsvolvosite.com/downloads/Volvo_850.zip"].

 ------ ECU 58 DTC #20: 65 -> SRS-127 -- SRS Warning Light short circuit to ground or open circuit [see sections "FAULT CODE 1-2-7" and "SRS WARNING LIGHT WILL NOT COME ON" in "air bag restraint system.pdf" of "http://www.matthewsvolvosite.com/downloads/Volvo_850.zip"].

 ------ ECU 58 DTC #21: 66 -> SRS-128 -- SRS Warning Light short circuit to supply [see sections "FAULT CODE 1-2-7" and "SRS WARNING LIGHT WILL NOT COME ON" in "air bag restraint system.pdf" of "http://www.matthewsvolvosite.com/downloads/Volvo_850.zip"].

 ------ ECU 58 DTC #22: 67 -> SRS-129 -- Battery Voltage signal too low.

 ------ ECU 58 DTC #23: 68 -> SRS-213 -- Driver Airbag signal too low.

 ------ ECU 58 DTC #24: 69 -> SRS-214 -- Driver Airbag signal too high.

 ------ ECU 58 DTC #25: 6A -> SRS-233 -- Left Seat Belt Tensioner signal too low.

 ------ ECU 58 DTC #26: 6B -> SRS-234 -- Left Seat Belt Tensioner signal too high.

 ------ ECU 58 DTC #27: 6C -> SRS-243 -- Right Seat Belt Tensioner signal too low.

 ------ ECU 58 DTC #28: 6D -> SRS-244 -- Right Seat Belt Tensioner signal too high.

 ------ ECU 58 DTC #29: 6E -> SRS-223 -- Passenger Airbag signal too low.

 ------ ECU 58 DTC #30: 6F -> SRS-224 -- Passenger Airbag signal too high.

 ------ ECU 58 DTC #31: 70 -> SRS-313 -- Left Rear Seat Belt Tensioner signal too low.

 ------ ECU 58 DTC #32: 71 -> SRS-314 -- Left Rear Seat Belt Tensioner signal too high.

 ------ ECU 58 DTC #33: 72 -> SRS-323 -- Right Rear Seat Belt Tensioner signal too low.

 ------ ECU 58 DTC #34: 73 -> SRS-324 -- Right Rear Seat Belt Tensioner signal too high.

 ------ ECU 58 DTC #35: 78 -> SRS-211 -- Driver Airbag signal faulty.

 ------ ECU 58 DTC #36: 79 -> SRS-212 -- Driver Airbag signal missing.

 ------ ECU 58 DTC #37: 7A -> SRS-231 -- Left Seat Belt Tensioner signal faulty.

 ------ ECU 58 DTC #38: 7B -> SRS-232 -- Left Seat Belt Tensioner signal missing.

 ------ ECU 58 DTC #39: 7C -> SRS-241 -- Right Seat Belt Tensioner signal faulty.

 ------ ECU 58 DTC #40: 7D -> SRS-242 -- Right Seat Belt Tensioner signal missing.

 ------ ECU 58 DTC #41: 7E -> SRS-221 -- Passenger Airbag signal faulty.

 ------ ECU 58 DTC #42: 7F -> SRS-222 -- Passenger Airbag signal missing.

 ------ ECU 58 DTC #43: 80 -> SRS-311 -- Left Rear Seat Belt Tensioner signal faulty.

 ------ ECU 58 DTC #44: 81 -> SRS-312 -- Left Rear Seat Belt Tensioner signal missing.

 ------ ECU 58 DTC #45: 82 -> SRS-321 -- Right Rear Seat Belt Tensioner signal faulty.

 ------ ECU 58 DTC #46: 83 -> SRS-322 -- Right Rear Seat Belt Tensioner signal missing.

 ------ ECU 58 DTC #47: 88 -> SRS-210 -- Driver Airbag fault.

 ------ ECU 58 DTC #48: 89 -> SRS-230 -- Left Seat Belt Tensioner fault.

 ------ ECU 58 DTC #49: 8A -> SRS-240 -- Right Seat Belt Tensioner fault.

 ------ ECU 58 DTC #50: 8B -> SRS-220 -- Passenger Airbag fault.

 ------ ECU 58 DTC #51: 8C -> SRS-310 -- Left Rear Seat Belt Tensioner fault.

 ------ ECU 58 DTC #52: 8D -> SRS-320 -- Right Rear Seat Belt Tensioner fault.

 ------ ECU 58 DTC #53: C7 -> SRS-114 -- Control Module faulty signal.

--------------------------------------------------------

--  Show all known, interpreted ECU 01 (ABS) DTCs.

--------------------------------------------------------

 ------ ECU 01 has 44 DTCs: 10 11 12 13 14 15 20 21 22 23 24 25 30 31 32 33 34 35 40 41 42 43 44 45 50 51 52 54 55 56 60 61 64 65 66 67 70 72 75 77 80 81 82 83

 ------ ECU 01 DTC #1: 10 -> ABS-311 -- Left Front Wheel Sensor, open/short [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #2: 11 -> ABS-321 -- Left Front Wheel Sensor, irregular > 25 mph (ie, interference or excess oscillation > 40 km/h) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #3: 12 -> ABS-??? -- ??Left Front Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #4: 13 -> ABS-211 -- Left Front Wheel Sensor, wrong wheel speed (ie, signal absent yet circuit intact, or signal absent when moving off) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #5: 14 -> ABS-221 -- Left Front Wheel Sensor, ABS control phase too long (ie, signal absent in ABS function, yet circuit intact) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #6: 15 -> ABS-??? -- ??Left Front Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #7: 20 -> ABS-312 -- Right Front Wheel Sensor, open/short [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #8: 21 -> ABS-322 -- Right Front Wheel Sensor, irregular > 25 mph (ie, interference or excess oscillation > 40 km/h) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #9: 22 -> ABS-??? -- ??Right Front Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #10: 23 -> ABS-212 -- Right Front Wheel Sensor, wrong wheel speed (ie, signal absent yet circuit intact, or signal absent when moving off) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #11: 24 -> ABS-222 -- Right Front Wheel Sensor, ABS control phase too long (ie, signal absent in ABS function, yet circuit intact) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #12: 25 -> ABS-??? -- ??Right Front Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #13: 30 -> ABS-313 -- Left Rear Wheel Sensor, open/short [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #14: 31 -> ABS-323 -- Left Rear Wheel Sensor, irregular > 25 mph (ie, interference or excess oscillation > 40 km/h) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #15: 32 -> ABS-??? -- ??Left Rear Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #16: 33 -> ABS-213 -- Left Rear Wheel Sensor, wrong wheel speed (ie, signal absent yet circuit intact, or signal absent when moving off) [or bad ABS module solders or ignition switch, or stuck emergency brake].

 ------ ECU 01 DTC #17: 34 -> ABS-223 -- Left Rear Wheel Sensor, ABS control phase too long (ie, signal absent in ABS function, yet circuit intact) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #18: 35 -> ABS-??? -- ??Left Rear Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #19: 40 -> ABS-314 -- Right Rear Wheel Sensor, open/short [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #20: 41 -> ABS-324 -- Right Rear Wheel Sensor, irregular > 25 mph (ie, interference or excess oscillation > 40 km/h) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #21: 42 -> ABS-??? -- ??Right Rear Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #22: 43 -> ABS-214 -- Right Rear Wheel Sensor, wrong wheel speed (ie, signal absent yet circuit intact, or signal absent when moving off) [or bad ABS module solders or ignition switch, or stuck emergency brake].

 ------ ECU 01 DTC #23: 44 -> ABS-224 -- Right Rear Wheel Sensor, ABS control phase too long (ie, signal absent in ABS function, yet circuit intact) [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #24: 45 -> ABS-??? -- ??Right Rear Wheel Sensor, ?????? [or bad ABS module solders or ignition switch]??.

 ------ ECU 01 DTC #25: 50 -> ABS-411 -- Left Front Wheel Inlet Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #26: 51 -> ABS-413 -- Right Front Wheel Inlet Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #27: 52 -> ABS-421 -- Rear Wheels Inlet Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #28: 54 -> ABS-412 -- Left Front Wheel Return Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #29: 55 -> ABS-414 -- Right Front Wheel Return Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #30: 56 -> ABS-422 -- Rear Wheels Return Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #31: 60 -> ABS-423 -- TRACS Valve, circuit open/short [ie, bad wiring, hydraulic modulator, ABS module, or ignition switch].

 ------ ECU 01 DTC #32: 61 -> ABS-424 -- ??TRACS Pressure Switch, circuit open/short [or bad wiring, hydraulic modulator, brake light switch, ABS module, ignition switch, or blown fuse 12 (STOP LAMPS)]??.

 ------ ECU 01 DTC #33: 64 -> ABS-141 -- Brake Pedal Sensor, short [or bad ABS module solders, wiring, brake pedal sensor, or ignition switch].

 ------ ECU 01 DTC #34: 65 -> ABS-142 -- Brake Light/Pedal Switch, open/short or adjustment [or brake light bulb, bad ABS module solders, wiring, or ignition switch].

 ------ ECU 01 DTC #35: 66 -> ABS-144 -- TRACS Disengaged to Avoid Front Brake Discs Overheating [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #36: 67 -> ABS-143 -- ??Missing or Faulty Vehicle Speed Signal from ABS module?? [or bad ABS module solders, ABS module memory fault, or otherwise faulty ABS module or ignition switch].

 ------ ECU 01 DTC #37: 70 -> ABS-443 -- Pump motor fault [or fuse 9 (ABS PUMP MOTOR), pump power plug not seated properly, bad wiring (eg, insulation that falls off, any short/open), bad ABS module solders, combination relay, hydraulic modulator, ignition switch, or bad ABS module].

 ------ ECU 01 DTC #38: 72 -> ABS-431 -- ABS Module, general hardware fault [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #39: 75 -> ABS-432 -- ABS Module, general interference fault [or bad ABS module solders or ignition switch].

 ------ ECU 01 DTC #40: 77 -> ABS-433 -- Battery Voltage, ?too high?.

 ------ ECU 01 DTC #41: 80 -> ABS-441 -- ABS Microprocessors, redundant calculations mismatch [or fuse 14 (ABS MAIN SUPPLY), bad ABS module solders, wheel sensor wiring close to interference, ignition switch, or bad ABS module].

 ------ ECU 01 DTC #42: 81 -> ABS-444 -- ??ABS Module, internal valve reference voltage error or no power to hydraulic valves [or bad wiring, bad ABS module solders, combination relay, hydraulic modulator, ignition switch, or bad ABS module]??.

 ------ ECU 01 DTC #43: 82 -> ABS-442 -- ??ABS Module, leakage current or Hydraulic Modulator Pump Pressure, too low [or bad wiring, bad ABS module solders, combination relay, hydraulic modulator, ignition switch, or bad ABS module]??.

 ------ ECU 01 DTC #44: 83 -> ABS-445 -- ??ABS Module, either inlet or return valve circuit fault [or bad wiring, bad ABS module solders, combination relay, hydraulic modulator, ignition switch, or bad ABS module]??.

------------------------------------------------------------------------------------------

--  Show all known, interpreted ECU 6E (AW 50-42, both Gas & Diesel, and AW 42-AWD) DTCs.

------------------------------------------------------------------------------------------

 ------ ECU 6E has 39 DTCs: 13 17 18 35 36 37 38 39 3A 3B 3C 3D 3E 3F 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 55 60 61 62 63 64 E0

 ------ ECU 6E DTC #1: 13 -> AT-??? -- Has been seen in 1 car when mechanic reported "bad torque converter lock-up solenoid" (and errors 666,332), and P0666 existed, so might be "AT-332 Lock-up solenoid SL, open-circuit Off5" or otherwise related to lock-up solenoid or its circuit.

 ------ ECU 6E DTC #2: 17 -> AT-??? -- Has been seen in 1 car with P0120, so might be AT-213, AT-223, or otherwise Throttle Position Sensor related [eg, TPS signal too high/low/erratic, open or short in TPS signal ground or power ground, TPS sensor circuit failure, poor terminal contact, ECM to TCM wiring close to interference, or faulty TCM].

 ------ ECU 6E DTC #3: 18 -> AT-??? -- Has been seen in 2 cars with P0120, so might be AT-213, AT-223, or otherwise Throttle Position Sensor related [eg, TPS signal too high/low/erratic, open or short in TPS signal ground or power ground, TPS sensor circuit failure, poor terminal contact, ECM to TCM wiring close to interference, or faulty TCM].

 ------ ECU 6E DTC #4: 35 -> AT-114 -- Mode Selector Switch, circuit malfunction [eg, poor terminal contact, open circuit or short circuit to supply, poor TCM connector terminal contact, driving mode selector module, or cluster fault feeding transmission fault light].

 ------ ECU 6E DTC #5: 36 -> AT-121 -- Shift Solenoid S1 circuit, short to ground [eg, bad wiring or solenoid, or low/dirty fluid] [P0750].

 ------ ECU 6E DTC #6: 37 -> AT-122 -- Shift Solenoid S1 circuit, open in either signal cable or power ground, or short to supply in signal cable  [eg, bad wiring or solenoid, poor terminal contact at TCM connector, bad TCM, or low/dirty fluid] [P0750?].

 ------ ECU 6E DTC #7: 38 -> AT-123 -- Line Pressure Solenoid STH circuit, short to supply [eg, bad wiring or TCM, or low/dirty fluid] [P0745].

 ------ ECU 6E DTC #8: 39 -> AT-124 -- Mode Selector Switch, faulty or short circuit to ground [eg, "W" button depressed > 25 sec, controls sticking, loose parts, bad resistance, bad wiring].

 ------ ECU 6E DTC #9: 3A -> AT-131 -- Line Pressure Solenoid STH circuit, open or short to ground [eg, bad wiring, poor terminal contact, bad TCM, or low/dirty fluid].

 ------ ECU 6E DTC #10: 3B -> AT-132 -- TCM Fault, amplifier STH short circuit [eg, poor terminal contact at TCM connector, open circuit in TCM voltage supply or grounds, bad TCM, or low/dirty fluid] [P0745?].

 ------ ECU 6E DTC #11: 3C -> AT-134 -- Engine Load signal.

 ------ ECU 6E DTC #12: 3D -> AT-141 -- Oil Temp Sensor.

 ------ ECU 6E DTC #13: 3E -> AT-142 -- Oil Temp Sensor.

 ------ ECU 6E DTC #14: 3F -> AT-143 -- Kickdown switch circuit.

 ------ ECU 6E DTC #15: 40 -> AT-213 -- Throttle Position Sensor signal too high [P0120].

 ------ ECU 6E DTC #16: 41 -> AT-221 -- Shift solenoid S2 circuit, short to ground [eg, bad wiring or solenoid, or low/dirty fluid] [P0755].

 ------ ECU 6E DTC #17: 42 -> AT-222 -- Shift solenoid S2 circuit, open in either signal cable or power ground, or short to supply in signal cable [eg, bad wiring or solenoid, poor terminal contact at TCM connector, bad TCM, or low/dirty fluid] [P0755].

 ------ ECU 6E DTC #18: 43 -> AT-223 -- Throttle Position Sensor signal too low [P0120].

 ------ ECU 6E DTC #19: 44 -> ??AT-232/AT-233 -- Vehicle Speed Signal (VSS) from (ABS then) COMBI is missing or incorrect [eg, bad ABS module solders, CI-221 or CI-222, bad speedometer, bad wiring between (or poor terminal contact at) speedometer or TCM] [P0500]??.

 ------ ECU 6E DTC #20: 45 -> AT-235 -- Oil Temperature.

 ------ ECU 6E DTC #21: 46 -> AT-245 -- Torque Limiting Circuit, open or short [eg, bad wiring between TCM and ECM, bad TCM, poor terminal contact, bad ECM].

 ------ ECU 6E DTC #22: 47 -> ??AT-311/AT-312 -- Transmission RPM signal missing or incorrect [eg, open or short circuit from bad wiring, bad Transmission RPM sensor, CI-222 (ie, VSS excessively high), poor terminal contact, interference] [P0715]??.

 ------ ECU 6E DTC #23: 48 -> AT-313 -- Gear position sensor signal faulty / PNP switch fault [P0705?].

 ------ ECU 6E DTC #24: 49 -> AT-412 -- Control Module ROM read fault [P0601?].

 ------ ECU 6E DTC #25: 4A -> AT-322 -- Gear 2, incorrect ratio [P0732] / Alternatively, on earlier models: Gear Ratio Info Incorrect [P0730].

 ------ ECU 6E DTC #26: 4B -> AT-323 -- Gear 3, incorrect ratio [P0733] / Alternatively, on earlier models: Lock-Up Slips Or Is Not Engaged.

 ------ ECU 6E DTC #27: 4C -> AT-324 -- Gear 4, incorrect ratio [P0734].

 ------ ECU 6E DTC #28: 4D -> AT-331 -- Lock-up solenoid SL circuit, short to supply [P0740].

 ------ ECU 6E DTC #29: 4E -> AT-332 -- Lock-up solenoid SL circuit, open [P0740].

 ------ ECU 6E DTC #30: 4F -> AT-333 -- Lock-up solenoid SL circuit, short to ground [P0740].

 ------ ECU 6E DTC #31: 50 -> AT-411 -- Control Module EEPROM write fault [eg, low battery power, bad TCM].

 ------ ECU 6E DTC #32: 51 -> AT-421 -- Battery Volts too low.

 ------ ECU 6E DTC #33: 55 -> AT-511 -- Control Module Communication.

 ------ ECU 6E DTC #34: 60 -> AT-522 -- Control Module Communication.

 ------ ECU 6E DTC #35: 61 -> AT-523 -- Control Module Communication.

 ------ ECU 6E DTC #36: 62 -> AT-524 -- Control Module Communication.

 ------ ECU 6E DTC #37: 63 -> AT-525 -- Control Module Communication.

 ------ ECU 6E DTC #38: 64 -> AT-526 -- Control Module Communication.

 ------ ECU 6E DTC #39: E0 -> AT-527 -- Control Module Communication.

-------------------------------------------------------------------------------------------

--  Show all known, interpreted ECU 2E (Power Seat Left) / ECU 2F (Power Seat Right) DTCs.

-------------------------------------------------------------------------------------------

 ------ ECU 2E has 29 DTCs: 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D

 ------ ECU 2E DTC #1: 01 -> PSL-112 -- Legroom Motor 1 Pot signal too high.

 ------ ECU 2E DTC #2: 02 -> PSL-121 -- Backrest Motor 2 Pot signal too high.

 ------ ECU 2E DTC #3: 03 -> PSL-122 -- Seat Rear edge Motor 3 Pot signal too high.

 ------ ECU 2E DTC #4: 04 -> PSL-211 -- Seat front edge motor 4 Pot signal too high.

 ------ ECU 2E DTC #5: 05 -> PSL-212 -- Legroom Motor 1 Pot signal too low.

 ------ ECU 2E DTC #6: 06 -> PSL-222 -- Backrest Motor 2 Pot signal too low.

 ------ ECU 2E DTC #7: 07 -> PSL-223 -- Seat Rear edge Motor 3 Pot signal too low.

 ------ ECU 2E DTC #8: 08 -> PSL-312 -- Seat front edge motor 4 Pot signal too low.

 ------ ECU 2E DTC #9: 09 -> PSL-123 -- (Legroom) Motor 1 Running Even Though Its Button Not Operated.

 ------ ECU 2E DTC #10: 0A -> PSL-131 -- Backrest Motor 2 Movement when not permitted.

 ------ ECU 2E DTC #11: 0B -> PSL-132 -- Seat Rear edge Motor 3 Movement when not permitted.

 ------ ECU 2E DTC #12: 0C -> PSL-133 -- Seat front edge motor 4 Movement when not permitted.

 ------ ECU 2E DTC #13: 0D -> PSL-143 -- Legroom Motor 1 Moves in wrong direction.

 ------ ECU 2E DTC #14: 0E -> PSL-144 -- Backrest Motor 2 Moves in wrong direction.

 ------ ECU 2E DTC #15: 0F -> PSL-214 -- Seat Rear edge Motor 3 Moves in wrong direction.

 ------ ECU 2E DTC #16: 10 -> PSL-224 -- Seat front edge motor 4 Moves in wrong direction.

 ------ ECU 2E DTC #17: 11 -> PSL-323 -- Memory 1, Fault in stored memory position.

 ------ ECU 2E DTC #18: 12 -> PSL-322 -- Memory 2, Fault in stored memory position.

 ------ ECU 2E DTC #19: 13 -> PSL-321 -- Memory 3, Fault in stored memory position.

 ------ ECU 2E DTC #20: 14 -> PSL-424 -- Control Panel Not Connected [ignore since always set].

 ------ ECU 2E DTC #21: 15 -> PSL-421 -- Fault in Control Module.

 ------ ECU 2E DTC #22: 16 -> PSL-422 -- Battery Voltage too low.

 ------ ECU 2E DTC #23: 17 -> PSL-423 -- Control button activated too long.

 ------ ECU 2E DTC #24: 18 -> PSL-411 -- Legroom motor 1 not calibrated.

 ------ ECU 2E DTC #25: 19 -> PSL-412 -- Backrest motor 2 not calibrated.

 ------ ECU 2E DTC #26: 1A -> PSL-413 -- Seat Rear edge motor 3 not calibrated.

 ------ ECU 2E DTC #27: 1B -> PSL-414 -- Seat front edge motor 4 not calibrated.

 ------ ECU 2E DTC #28: 1C -> PSL-331 -- Entry Position not stored.

 ------ ECU 2E DTC #29: 1D -> PSL-332 -- Original Position not stored.

 ------ ECU 2F has 29 DTCs: 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D

 ------ ECU 2F DTC #1: 01 -> PSR-112 -- Legroom Motor 1 Pot signal too high.

 ------ ECU 2F DTC #2: 02 -> PSR-121 -- Backrest Motor 2 Pot signal too high.

 ------ ECU 2F DTC #3: 03 -> PSR-122 -- Seat Rear edge Motor 3 Pot signal too high.

 ------ ECU 2F DTC #4: 04 -> PSR-211 -- Seat front edge motor 4 Pot signal too high.

 ------ ECU 2F DTC #5: 05 -> PSR-212 -- Legroom Motor 1 Pot signal too low.

 ------ ECU 2F DTC #6: 06 -> PSR-222 -- Backrest Motor 2 Pot signal too low.

 ------ ECU 2F DTC #7: 07 -> PSR-223 -- Seat Rear edge Motor 3 Pot signal too low.

 ------ ECU 2F DTC #8: 08 -> PSR-312 -- Seat front edge motor 4 Pot signal too low.

 ------ ECU 2F DTC #9: 09 -> PSR-123 -- (Legroom) Motor 1 Running Even Though Its Button Not Operated.

 ------ ECU 2F DTC #10: 0A -> PSR-131 -- Backrest Motor 2 Movement when not permitted.

 ------ ECU 2F DTC #11: 0B -> PSR-132 -- Seat Rear edge Motor 3 Movement when not permitted.

 ------ ECU 2F DTC #12: 0C -> PSR-133 -- Seat front edge motor 4 Movement when not permitted.

 ------ ECU 2F DTC #13: 0D -> PSR-143 -- Legroom Motor 1 Moves in wrong direction.

 ------ ECU 2F DTC #14: 0E -> PSR-144 -- Backrest Motor 2 Moves in wrong direction.

 ------ ECU 2F DTC #15: 0F -> PSR-214 -- Seat Rear edge Motor 3 Moves in wrong direction.

 ------ ECU 2F DTC #16: 10 -> PSR-224 -- Seat front edge motor 4 Moves in wrong direction.

 ------ ECU 2F DTC #17: 11 -> PSR-323 -- Memory 1, Fault in stored memory position.

 ------ ECU 2F DTC #18: 12 -> PSR-322 -- Memory 2, Fault in stored memory position.

 ------ ECU 2F DTC #19: 13 -> PSR-321 -- Memory 3, Fault in stored memory position.

 ------ ECU 2F DTC #20: 14 -> PSR-424 -- Control Panel Not Connected [ignore since always set].

 ------ ECU 2F DTC #21: 15 -> PSR-421 -- Fault in Control Module.

 ------ ECU 2F DTC #22: 16 -> PSR-422 -- Battery Voltage too low.

 ------ ECU 2F DTC #23: 17 -> PSR-423 -- Control button activated too long.

 ------ ECU 2F DTC #24: 18 -> PSR-411 -- Legroom motor 1 not calibrated.

 ------ ECU 2F DTC #25: 19 -> PSR-412 -- Backrest motor 2 not calibrated.

 ------ ECU 2F DTC #26: 1A -> PSR-413 -- Seat Rear edge motor 3 not calibrated.

 ------ ECU 2F DTC #27: 1B -> PSR-414 -- Seat front edge motor 4 not calibrated.

 ------ ECU 2F DTC #28: 1C -> PSR-331 -- Entry Position not stored.

 ------ ECU 2F DTC #29: 1D -> PSR-332 -- Original Position not stored.

------------------------------------------------------------

--  Show all known, interpreted ECU 7A (Motronic 4.3 / 4.4) DTCs.

------------------------------------------------------------

 ------ ECU 7A has 93 DTCs: 0A 0C 0D 0E 0F 10 11 13 18 1A 1B 1D 28 31 32 33 34 35 36 37 39 3D 3E 3F 40 41 42 43 44 4B 4D 50 51 53 54 55 56 59 5D 5E 5F 60 61 62 63 65 67 6B 6D 6E 6F 70 73 75 77 78 79 7A 7B 7C 7F 80 81 82 96 97 98 99 9A 9B A4 A8 A9 AA B4 B5 B6 B7 B8 B9 D2 D3 DE E1 E5 E6 ED EE EF F1 F4 FD FE

 ------ ECU 7A DTC #1: 0A -> EFI-212 -- HO2S sensor signal, front.

 ------ ECU 7A DTC #2: 0C -> EFI-153 -- HO2S sensor signal, rear [P0136 (faulty), P0137 (low), or P0138 (high)].

 ------ ECU 7A DTC #3: 0D -> EFI-521 -- Front HO2S, preheating.

 ------ ECU 7A DTC #4: 0E -> EFI-522 -- Rear HO2S, preheating malfunction [P0141].

 ------ ECU 7A DTC #5: 0F -> EFI-435 -- Front HO2S slow response.

 ------ ECU 7A DTC #6: 10 -> EFI-436 -- Rear HO2S compensation [P0133] [see 1st 3 items in Bing search for 'P0133 "EFI-436"' and 1st 3 items in Google search].

 ------ ECU 7A DTC #7: 11 -> EFI-425 -- Rear HO2S, control (or possibly Temperature warning, level 1).

 ------ ECU 7A DTC #8: 13 -> EFI-343 -- Fuel Pump Relay.

 ------ ECU 7A DTC #9: 18 -> EFI-211 -- CO Potentiometer.

 ------ ECU 7A DTC #10: 1A -> EFI-231 -- Long term fuel trim, part load [P0171 or P0172] [defective MAF, fuel pressure high/low (P0171/P0172), elbow at intake manifold (hidden underneath coolant thermostat) or elbow at PTC or vacuum leaks (if P0172), see "http://www.volvopedia.de/index.php?title=EFI-231", see OTP Volvo 850 DVD, see 7-step checkup in section including "2-3-1 (Adaptive HO2S Control Lean At Part Load)" of "http://www.volvotips.com/index.php/850-2/volvo-850-s70-v70-c70-service-repair-manual/volvo-850-diagnostics-with-codes-obd/"].

 ------ ECU 7A DTC #11: 1B -> EFI-232 -- Long term fuel trim, idling [P0172 or P0171] [elbow at intake manifold (hidden underneath coolant thermostat) or elbow at PTC or vacuum leaks (if P0172), fuel pressure high/low (P0171/P0172), defective MAF, see "http://www.volvopedia.de/index.php?title=EFI-232", see OTP Volvo 850 DVD, see 10-step checkup in section "2-3-2 (Adaptive HO2S Control Provides Richer Mixture At Idle)" of "http://www.volvotips.com/index.php/850-2/volvo-850-s70-v70-c70-service-repair-manual/volvo-850-diagnostics-with-codes-obd/"].

 ------ ECU 7A DTC #12: 1D -> EFI-666 -- DTC in transmission CM.

 ------ ECU 7A DTC #13: 28 -> EFI-443 -- TWC efficiency.

 ------ ECU 7A DTC #14: 31 -> EFI-542 -- Misfire, more than 1 cylinder.

 ------ ECU 7A DTC #15: 32 -> EFI-451 -- Misfire cylinder 1.

 ------ ECU 7A DTC #16: 33 -> EFI-452 -- Misfire cylinder 2.

 ------ ECU 7A DTC #17: 34 -> EFI-453 -- Misfire cylinder 3 [P0303].

 ------ ECU 7A DTC #18: 35 -> EFI-454 -- Misfire cylinder 4.

 ------ ECU 7A DTC #19: 36 -> EFI-455 -- Misfire cylinder 5.

 ------ ECU 7A DTC #20: 37 -> ??EFI-445 -- Misfire cylinder 6??.

 ------ ECU 7A DTC #21: 39 -> EFI-353 -- Immobilizer.

 ------ ECU 7A DTC #22: 3D -> EFI-544 -- Misfire, more than 1 cylinder.

 ------ ECU 7A DTC #23: 3E -> EFI-543 -- Misfire exhaust value of at least one cylinder.

 ------ ECU 7A DTC #24: 3F -> EFI-551 -- Misfire, cylinder 1.

 ------ ECU 7A DTC #25: 40 -> EFI-552 -- Misfire, cylinder 2.

 ------ ECU 7A DTC #26: 41 -> EFI-553 -- Misfire, cylinder 3.

 ------ ECU 7A DTC #27: 42 -> EFI-554 -- Misfire, cylinder 4.

 ------ ECU 7A DTC #28: 43 -> EFI-555 -- Misfire, cylinder 5.

 ------ ECU 7A DTC #29: 44 -> EFI-556 -- Misfire, cylinder 6.

 ------ ECU 7A DTC #30: 4B -> EFI-545 -- Misfire, at least 1 cylinder.

 ------ ECU 7A DTC #31: 4D -> EFI-444 -- Accelerometer signal [P1307 (low); P1308 (high)] [see OTP 850 DVD, TP-2318201, p149 and p268, for possible sources].

 ------ ECU 7A DTC #32: 50 -> EFI-442 -- Pulsed secondary air injection system flow fault [P0410] [see OTP 850 DVD, TP-2308202, p669 and p78 and p316].

 ------ ECU 7A DTC #33: 51 -> EFI-448 -- Pulsed secondary air injection system pump flow fault [P0410] [see OTP 850 DVD, TP-2308202, p669 and p78 and p361].

 ------ ECU 7A DTC #34: 53 -> EFI-446 -- Pulsed secondary air injection system valve leakage [P0410] [see OTP 850 DVD, TP-2308202, p669 and p78 and p344].

 ------ ECU 7A DTC #35: 54 -> EFI-445 -- Pulsed secondary air injection system pump signal [P0410] [see OTP 850 DVD, TP-2318201, p268 and p44].

 ------ ECU 7A DTC #36: 55 -> EFI-447 -- Pulsed secondary air injection system solenoid valve signal [P0413 (missing); P0414 (low/high)] [see OTP 850 DVD, TP-2318201, p268 and p44].

 ------ ECU 7A DTC #37: 56 -> EFI-241 -- EGR system.

 ------ ECU 7A DTC #38: 59 -> EFI-413 -- EGR temperature sensor signal.

 ------ ECU 7A DTC #39: 5D -> EFI-315 -- Canister purge (CP) valve leakage.

 ------ ECU 7A DTC #40: 5E -> EFI-611 -- Fuel Tank system, large leakage [P0455].

 ------ ECU 7A DTC #41: 5F -> EFI-614 -- EVAP canister shut off valve flow fault.

 ------ ECU 7A DTC #42: 60 -> EFI-616 -- EVAP canister shut off valve signal.

 ------ ECU 7A DTC #43: 61 -> EFI-612 -- Fuel Tank system, small leakage [P0442] [check fuel cap seated and sealed properly, leaking fuel tank, filler pipe, EVAP canister or its shut-off valve, lines connecting any of those, or bad fuel tank pressure sensor].

 ------ ECU 7A DTC #44: 62 -> EFI-541 -- Canister purge (CP) valve signal.

 ------ ECU 7A DTC #45: 63 -> EFI-621 -- Fuel tank pressure sensor signal.

 ------ ECU 7A DTC #46: 65 -> EFI-112 -- MFI Control Module (CM) fault.

 ------ ECU 7A DTC #47: 67 -> EFI-112 -- Memory Fault (ROM) In Engine Control Module (ECM).

 ------ ECU 7A DTC #48: 6B -> EFI-132 -- Battery Voltage.

 ------ ECU 7A DTC #49: 6D -> EFI-315 -- Canister purge (CP) valve leakage.

 ------ ECU 7A DTC #50: 6E -> EFI-131 -- RPM sensor signal missing.

 ------ ECU 7A DTC #51: 6F -> EFI-214 -- RPM sensor signal sporadic faulty.

 ------ ECU 7A DTC #52: 70 -> EFI-314 -- Camshaft Position sensor (CMP) signal [P0340] [see OTP 850 DVD, TP-2308202, p262 for possible sources].

 ------ ECU 7A DTC #53: 73 -> EFI-121 -- Mass Air Flow (MAF) sensor signal.

 ------ ECU 7A DTC #54: 75 -> EFI-411 -- Throttle Position (TP) sensor signal.

 ------ ECU 7A DTC #55: 77 -> EFI-422 -- Atmospheric pressure sensor signal.

 ------ ECU 7A DTC #56: 78 -> EFI-311 -- Engine RPM high for too long while no Vehicle Speed [see "www.volvopedia.de/index.php?title=EFI-311"].

 ------ ECU 7A DTC #57: 79 -> EFI-355 -- Mass air flow (MAF) sensor, faulty signal.

 ------ ECU 7A DTC #58: 7A -> EFI-112 -- Fault in Engine Control Module (ECM) NTC switch.

 ------ ECU 7A DTC #59: 7B -> EFI-123 -- Engine Coolant Temperature (ECT) sensor [P0116 (faulty), P0117 (low), P0118 (high), or P0115 (missing)] [see "http://www.volvopedia.de/index.php?title=EFI-123#Motronic_4.4"].

 ------ ECU 7A DTC #60: 7C -> EFI-251 -- Ambient Temperature sensor signal [P0111 (sporadic), P0112 (low), or P0113 (high)] [see "http://www.volvopedia.de/index.php?title=EFI-251#Motronic_4.4"].

 ------ ECU 7A DTC #61: 7F -> EFI-112 -- Fault in Engine Control Module (ECM) Temperature.

 ------ ECU 7A DTC #62: 80 -> EFI-432 -- Temperature warning, level 1.

 ------ ECU 7A DTC #63: 81 -> EFI-513 -- Temperature warning, level 2.

 ------ ECU 7A DTC #64: 82 -> EFI-225 -- A/C pressure sensor signal.

 ------ ECU 7A DTC #65: 96 -> EFI-115 -- Injector 1.

 ------ ECU 7A DTC #66: 97 -> EFI-125 -- Injector 2.

 ------ ECU 7A DTC #67: 98 -> EFI-135 -- Injector 3.

 ------ ECU 7A DTC #68: 99 -> EFI-145 -- Injector 4.

 ------ ECU 7A DTC #69: 9A -> EFI-155 -- Injector 5.

 ------ ECU 7A DTC #70: 9B -> EFI-165 -- Injector 6.

 ------ ECU 7A DTC #71: A4 -> EFI-335 -- Request for MIL lighting from TCM [or possibly Comm Failure between Motronic 4.4 ECM and AW 50-42 TCM] [P1618 (High), P1617 (Low/Missing/Faulty)] [check grounds 31/71, 31/32, 31/33; check TCM pin B15 to M44 pin B26 circuit & connections] [see "www.volvopedia.de/index.php?title=EFI-335"] [see OTP 850 DVD: TP-2308032, pp275-280; TP-2318201, p43, p269].

 ------ ECU 7A DTC #72: A8 -> EFI-223 -- Idle Air Control (IAC) valve opening signal.

 ------ ECU 7A DTC #73: A9 -> EFI-245 -- IAC valve closing signal.

 ------ ECU 7A DTC #74: AA -> EFI-233 -- Adaptive idle air trim.

 ------ ECU 7A DTC #75: B4 -> EFI-531 -- Power stage group A.

 ------ ECU 7A DTC #76: B5 -> EFI-532 -- Power stage group B.

 ------ ECU 7A DTC #77: B6 -> EFI-533 -- Power stage group C.

 ------ ECU 7A DTC #78: B7 -> EFI-534 -- Power stage group D.

 ------ ECU 7A DTC #79: B8 -> ??EFI-536 -- Power stage group E??.

 ------ ECU 7A DTC #80: B9 -> ??EFI-537 -- Power stage group F??.

 ------ ECU 7A DTC #81: D2 -> EFI-143 -- Front knock sensor (KS).

 ------ ECU 7A DTC #82: D3 -> EFI-433 -- Rear knock sensor (KS).

 ------ ECU 7A DTC #83: DE -> EFI-112 -- Fault in Engine Control Module (ECM) Knock Control.

 ------ ECU 7A DTC #84: E1 -> EFI-233 -- Long term idle air trim.

 ------ ECU 7A DTC #85: E5 -> EFI-416 -- Boost pressure reduction from TCM.

 ------ ECU 7A DTC #86: E6 -> EFI-414 -- Boost pressure regulation.

 ------ ECU 7A DTC #87: ED -> EFI-112 -- Fault in Engine Control Module (ECM) NTC switch.

 ------ ECU 7A DTC #88: EE -> EFI-432 -- Temperature warning, level 1.

 ------ ECU 7A DTC #89: EF -> EFI-513 -- Temperature warning, level 2.

 ------ ECU 7A DTC #90: F1 -> EFI-154 -- EGR system leakage.

 ------ ECU 7A DTC #91: F4 -> EFI-535 -- Turbocharger (TC) control valve signal.

 ------ ECU 7A DTC #92: FD -> EFI-514 -- Engine coolant fan, low speed.

 ------ ECU 7A DTC #93: FE -> EFI-621 -- Fuel tank pressure sensor signal.

--------------------------------------------------------

--  Show all known, interpreted ECU 11 (MSA 15.7) DTCs.

--------------------------------------------------------

 ------ ECU 11 has 39 DTCs: 00 01 02 03 04 05 06 08 09 0A 0B 0C 0D 0F 10 11 12 14 19 1A 1B 20 21 22 23 24 26 2A 2B 2D 2E 2F 30 31 32 33 34 36 FE

 ------ ECU 11 DTC #1: 00 -> EFI-131 -- Engine Speed (RPM) signal.

 ------ ECU 11 DTC #2: 01 -> EFI-719 -- Secondary Engine Speed signal.

 ------ ECU 11 DTC #3: 02 -> EFI-132 -- Battery Voltage.

 ------ ECU 11 DTC #4: 03 -> EFI-711 -- Needle Lift sensor signal.

 ------ ECU 11 DTC #5: 04 -> EFI-732 -- Accelerator Pedal Position sensor signal.

 ------ ECU 11 DTC #6: 05 -> EFI-123 -- Engine Coolant Temp (ECT) sensor signal.

 ------ ECU 11 DTC #7: 06 -> EFI-122 -- Intake Air Temp (IAT) sensor signal.

 ------ ECU 11 DTC #8: 08 -> EFI-712 -- Fuel Temp sensor signal.

 ------ ECU 11 DTC #9: 09 -> EFI-415 -- Boost Pressure sensor signal.

 ------ ECU 11 DTC #10: 0A -> EFI-112 -- Fault in Engine Control Module (ECM) Barometric Pressure signal.

 ------ ECU 11 DTC #11: 0B -> EFI-121 -- Mass Air Flow (MAF) sensor signal.

 ------ ECU 11 DTC #12: 0C -> EFI-743 -- Cruise Control switch signal.

 ------ ECU 11 DTC #13: 0D -> EFI-112 -- Fault in Engine Control Module (ECM) Reference Voltage.

 ------ ECU 11 DTC #14: 0F -> EFI-112 -- Fault in Engine Control Module (ECM).

 ------ ECU 11 DTC #15: 10 -> EFI-311 -- Engine RPM vs. Vehicle Speed signal discrepancy [see "www.volvopedia.de/index.php?title=EFI-311", focusing especially on section "MSA 15.7"].

 ------ ECU 11 DTC #16: 11 -> EFI-235 -- Exhaust gas recirculation (EGR) controller signal.

 ------ ECU 11 DTC #17: 12 -> EFI-242 -- Turbocharger Control Valve (TCV) signal.

 ------ ECU 11 DTC #18: 14 -> EFI-515 -- Engine Coolant Fan, high speed signal.

 ------ ECU 11 DTC #19: 19 -> EFI-713 -- Injection Advance Control Valve signal.

 ------ ECU 11 DTC #20: 1A -> EFI-323 -- CHECK ENGINE light (CEL) / Malfunction indicator lamp (MIL).

 ------ ECU 11 DTC #21: 1B -> EFI-721 -- Glowplug Indicator Light signal.

 ------ ECU 11 DTC #22: 20 -> EFI-714 -- Fuel Shut-off Valve signal.

 ------ ECU 11 DTC #23: 21 -> EFI-730 -- Brake Pedal Switch signal.

 ------ ECU 11 DTC #24: 22 -> EFI-731 -- Clutch Switch signal.

 ------ ECU 11 DTC #25: 23 -> EFI-724 -- Engine Coolant Heater Relay signal.

 ------ ECU 11 DTC #26: 24 -> EFI-112 -- Memory Fault (ROM) In Engine Control Module (ECM).

 ------ ECU 11 DTC #27: 26 -> EFI-514 -- Engine Coolant Fan, low speed signal.

 ------ ECU 11 DTC #28: 2A -> EFI-725 -- Main Relay signal.

 ------ ECU 11 DTC #29: 2B -> EFI-715 -- Fuel Regulation.

 ------ ECU 11 DTC #30: 2D -> EFI-726 -- Terminal 15-supply to Engine Control Module (ECM).

 ------ ECU 11 DTC #31: 2E -> EFI-716 -- Fuel Quantity Actuator signal.

 ------ ECU 11 DTC #32: 2F -> EFI-718 -- Ignition Timing Control.

 ------ ECU 11 DTC #33: 30 -> EFI-335 -- Request for MIL lighting from TCM [or possibly Comm Failure between MSA 15.7 ECM and AW 50-42 TCM] [see OTP 850 DVD].

 ------ ECU 11 DTC #34: 31 -> EFI-353 -- Comm Failure with Immobilizer.

 ------ ECU 11 DTC #35: 32 -> EFI-742 -- Comm Failure between MSA 15.7 ECM and AW 50-42 TCM [or possibly Request for MIL lighting from TCM] [see OTP 850 DVD].

 ------ ECU 11 DTC #36: 33 -> EFI-225 -- A/C Pressure sensor signal.

 ------ ECU 11 DTC #37: 34 -> EFI-717 -- Fuel Quantity Regulator Position sensor signal.

 ------ ECU 11 DTC #38: 36 -> EFI-732 -- Accelerator pedal position sensor signal.

 ------ ECU 11 DTC #39: FE -> EFI-131 -- Engine Speed (RPM) signal.

-----------------------------------------------------------

--  Show all known, interpreted ECU 41 (Immobilizer) DTCs.

-----------------------------------------------------------

 ------ ECU 41 has 23 DTCs: 01 02 03 04 05 06 07 30 31 32 33 34 35 36 37 38 51 52 53 54 55 F7 F8

 ------ ECU 41 DTC #1: 01 -> IMM-112 -- Internal EEPROM memory fault.

 ------ ECU 41 DTC #2: 02 -> IMM-211/IMM-213 -- Comm fault with engine ECU.

 ------ ECU 41 DTC #3: 03 -> IMM-212/IMM-233 -- No Contact with Antenna.

 ------ ECU 41 DTC #4: 04 -> IMM-221/IMM-234 -- No Response from Key Transponder.

 ------ ECU 41 DTC #5: 05 -> IMM-222/IMM-235 -- Key Code not in memory.

 ------ ECU 41 DTC #6: 06 -> IMM-223 -- Comm fault from Transponder to IMMO Control Module.

 ------ ECU 41 DTC #7: 07 -> IMM-336 -- Control circuit to VGLA, fault in VGLA or LED circuit (P600).

 ------ ECU 41 DTC #8: 30 -> IMM-334/IMM-331 -- Control circuit to Indicator Lamp, fault in circuit.

 ------ ECU 41 DTC #9: 31 -> IMM-335/IMM-332 -- Starter Motor Control circuit, fault in circuit.

 ------ ECU 41 DTC #10: 32 -> IMM-324 -- VERLOG code missing.

 ------ ECU 41 DTC #11: 33 -> IMM-325/IMM-323 -- Comm fault with coded starter module (CSM).

 ------ ECU 41 DTC #12: 34 -> IMM-121 -- PIN programming failed.

 ------ ECU 41 DTC #13: 35 -> IMM-225 -- Key Code verification failed.

 ------ ECU 41 DTC #14: 36 -> IMM-132 -- No Key Codes in EEPROM.

 ------ ECU 41 DTC #15: 37 -> IMM-122 -- New replacement Immobilizer not yet programmed.

 ------ ECU 41 DTC #16: 38 -> IMM-999 -- ?EEPROM error?.

 ------ ECU 41 DTC #17: 51 -> IMM-311 -- Comms with engine ECU, short to supply in comm link 2 or 4.

 ------ ECU 41 DTC #18: 52 -> IMM-312 -- Comms with engine ECU, short to ground in comm link 2 or 4.

 ------ ECU 41 DTC #19: 53 -> IMM-214 -- Comms from engine ECU, wrong MIN code (ie, Immobilizer is programmed for a different engine ECU).

 ------ ECU 41 DTC #20: 54 -> IMM-321 -- Initiating signal from ECM, missing.

 ------ ECU 41 DTC #21: 55 -> IMM-326 -- Reply signal from engine control module.

 ------ ECU 41 DTC #22: F7 -> IMM-333 -- Control circuit to VGLA, fault in VGLA or LED circuit.

 ------ ECU 41 DTC #23: F8 -> IMM-336 -- Control circuit to VGLA, fault in VGLA or LED circuit (P600).

---------------------------------------------------------------------------------

--  Show all known, interpreted ECU 29 (ECC) [for '98 S70/V70/XC70 only] DTCs

--  whose 2-digit raw to 3-digit Volvo code are thought to be known at present.

--  * There are many more ECC DTCs whose meaning is not yet known.

---------------------------------------------------------------------------------

 ------ ECU 29 has 4 DTCs: 35 36 37 38

 ------ ECU 29 DTC #1: 35 -> ECC-412 -- Driver's (or passenger's) side interior temperature sensor inlet fan shorted to earth (or signal too low) [see "ac heater system auto.pdf"].

 ------ ECU 29 DTC #2: 36 -> ECC-413 -- Driver's (or passenger's) side interior temperature sensor inlet fan, no control voltage (or signal too high) [see "ac heater system auto.pdf"].

 ------ ECU 29 DTC #3: 37 -> ECC-414 -- Driver's (or passenger's) side interior temperature sensor inlet fan seized (or open/short circuit or faulty signal) [carefully clean out any lint from temp sensor fan(s)].

 ------ ECU 29 DTC #4: 38 -> ECC-411 -- Blower fan seized or drawing excess current [or blower fan obstruction, or power stage surge protector problem (ECC-419)].

-------------------------------------------------------------

--  Show all known, interpreted ECU 2D (VGLA) DTCs.

--  * kwpd3b0_interpreter.html has never seen any VGLA DTCs

--    and has no knowledge of any VGLA DTC info from other sources.

-------------------------------------------------------------

 ------ ECU 2D has 0 DTCs.

-- If any VGLA DTC *is* reported, it will appear as a generic message similar to the

-- following hypothetical "DTC 77" case.

>AE01

84 13 2D EE 01 77 FF

 ------ ECU 2D has 1 DTCs: 77

 ------ ECU 2D DTC #1: 77 -> GLA-??? -- ECU 2D DTC 77.

---------------------------------------------------------------------------------------------

--  Show all known, interpreted ECU 18 (Add Heater 912-D [diesel cold weather heater]) DTCs.

--  * kwpd3b0_interpreter.html has never seen any 912-D DTCs

--    and has no knowledge of any VGLA DTC info from other sources.

---------------------------------------------------------------------------------------------

>AE01

83 13 18 EE 01 FF

 ------ ECU 18 has 0 DTCs.

-- If any ECU 18 DTC *is* reported, it will appear as a generic message similar to the

-- following hypothetical "DTC 88" case.

>AE01

84 13 18 EE 01 88 FF

 ------ ECU 18 has 1 DTCs: 88

 ------ ECU 18 DTC #1: 88 -> HEA-??? -- ECU 18 DTC 88.

Cruise Control

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This file was written in 2013-2017 by Richard H. Jones.

It was released into the public domain on 2017-12-06 using the

Creative Commons CC0 1.0 Universal (CC0 1.0) Public Domain Dedication.

Page's last update was on 2017-12-08.

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Stoni: Added missing Error-Codes for Cruise Control and Electronic Climate Control

Last update was on 2020-02-21.

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