Engine Performance DTCS
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Possible cause | |
| STAR DIAGNOSIS | (Display on generic scan tool) | |
| P2001 | (P0400) | Exhaust gas recirculation malfunction (function chain), ME-SFI fault code description |
| P2003 | (P0410) | Air injection malfunction (function chain), MESFI fault code description |
| P2004 | (P0100) | Hot-film MAF sensor, ME-SFI fault code description |
| P2005 | (P0115) | Coolant temperature sensor, ME-SFI fault code description |
| P2006 | (P0110) | Intake air temperature sensor, ME-SFI fault code description |
| P2007 | (P0105) | Pressure sensor, ME-SFI fault code description |
| P2008 | (P0135) | O2S-sensor heater, (Right O2 sensor upstream TWC [KAT], internal resistor) ME-SFI fault code description |
| P2009 | (P0141) | O2S-sensor heater, (Right O2 sensor downstream TWC [KAT], internal resistor) ME-SFI fault code description |
| P200A | (-) | Anti-knock control in hardware fault control unit, ME-SFI fault code description |
| P200B | (P0422) | Fault code description - Right catalytic converter efficiency too low |
| P200C | (-) | Aging of O2 sensor downstream TWC, ME-SFI fault code description |
| P200D | (P0133) | Aging of O2 sensor downstream TWC, ME-SFI fault code description |
| P200E | (-) | O2 Sensor signal, ME-SFI fault code description |
| P200F | (P0130) |
O2 Sensor signal, ME-SFI fault code description |
| P2010 | (P0136) | O2 Sensor signal, ME-SFI fault code description |
| P2011 | (-) | Right knock sensor 1, ME-SFI fault code description |
| P2012 | (P0446) | Activated charcoal canister shut-off valve, MESFI fault code description |
| P2013 | (P0455) | Major Regeneration system leak (function chain) ME-SFI fault code description |
| P2014 | (P0422) | Minor Regeneration system leak (function chain) ME-SFI fault code description |
| P2015 | (P0440) | Regeneration system leak (function chain) ME-SFI fault code description |
| P2016 | (P0170) | Self-adaptation of mixture formation at limit, ME-SFI fault code description (For the right cylinder bank, at partial load) |
| P2017 | (P0170) | Self-adaptation of mixture formation at limit, ME-SFI fault code description (For the right cylinder bank, in idle) |
| P2018 | (P0170) | Self-adaptation of mixture formation at limit, ME-SFI fault code description (For the right cylinder bank, between idle and partial load) |
| P2019 | (P0170) | Coolant antiboil protection, ME-SFI fault code description |
| P201A | (P0341) | Camshaft Hall sensor, ME-SFI fault code description |
| P201B | (P0560) | Control unit voltage supply, ME-SFI fault code description |
| P201C | (P0450) | Tank pressure sensor, ME-SFI fault code description |
| P201D | (P0201) | Fuel injection valves, Cylinder 1, ME-SFI fault code description |
| P201E | (P0204) | Fuel injection valves, Cylinder 4, ME-SFI fault code description |
| P201F | (P0203) | Fuel injection valves, Cylinder 3, ME-SFI fault code description |
| P2020 | (P0206) | Fuel injection valves, Cylinder 6, ME-SFI fault code description |
| P2021 | (P0202) | Fuel injection valves, Cylinder 2, ME-SFI fault code description |
| P2022 | (P0205) | Fuel injection valves, Cylinder 5, ME-SFI fault code description |
| P2023 | (P0410) | Air injection relay, ME-SFI fault code description |
| P2024 | (P0412) | Air pump switchover valve, ME-SFI fault code description |
| P2025 | (P0446) | Activated charcoal canister shut-off valve, MESFI fault code description |
| P2026 | (P0443) | Purge control valve, ME-SFI fault code description |
| P2027 | (P0403) | EGR [ARF] pressure transducer, ME-SFI fault code description |
| P202B | (P0507) | Idle speed control, ME-SFI fault code description |
| P202C | (P0115) | Coolant thermostat, ME-SFI fault code description |
| P202D | (P0115) | Coolant temperature sensor, ME-SFI fault code description |
| P202E | (P0120) | Throttle valve actuator, ME-SFI fault code description (Adjustment) |
| P202F | (P0600) | CAN fault detection, ME-SFI - fault code description (CAN message from ABC control unit) |
| P2030 | (P0600) | CAN fault detection, ME-SFI fault code description (CAN message from electronic selector lever module control unit) |
| P2031 | (P0600) | CAN fault detection, ME-SFI fault code description (CAN message from steering column module) |
| P2032 | (P0120) | Throttle valve actuator, ME-SFI fault code description (Actual value potentiometer) |
| P2033 | (-) | Cruise control switch, ME-SFI fault code description |
| P2034 | (P0335) | Crankshaft position sensor, ME-SFI fault code description |
| P2036 | (P0600) | CAN fault detection, ME-SFI fault code description (CAN message from ESP control unit) |
| P2037 | (P0600) | CAN fault detection, ME-SFI fault code description (CAN message from ETC control unit (Transmision 722.6)) |
| P2038 | (-) | Left knock sensor 2, ME-SFI fault code description |
| P2039 | (-) | Oil sensor, ME-SFI fault code description (Oil level implausible) |
| P203A | (P0460) | Fuel tank fill level, ME-SFI fault code description |
| P203B | (P0221) | ME-SFI control unit, ME-SFI fault code description (Fault in function monitoring) |
| P203C | (P0221) | ME-SFI control unit, ME-SFI fault code description (Fault in function monitoring) |
| P203E | (P0600) | CAN fault detection, ME-SFI fault code description (CAN message from instrument cluster) |
| P2040 | (-) | Oil sensor, ME-SFI fault code description (Oil quality implausible) |
| P2041 | (-) | Oil sensor, ME-SFI fault code description (Water in engine oil) |
| P2042 | (-) | Safety fuel shutoff detected, ME-SFI fault code description |
| P2043 | (P0300) | Misfire, ME-SFI fault code description (Sum, emission limit) |
| P2044 | (P0301) | Misfire, ME-SFI fault code description (M1MM is firing at cylinder 1, emission limit) |
| P2045 | (P0304) | Misfire, ME-SFI fault code description (Misfiring at cylinder 4, emission limit) |
| P2046 | (P0303) | Misfire, ME-SFI fault code description (Misfiring at cylinder 3, emission limit |
| P2047 | (P0306) | Misfire, ME-SFI fault code description (Misfiring at cylinder 6, emission limit |
| P2048 | (P0302) | Misfire, ME-SFI fault code description (Misfiring at cylinder 2, emission limit |
| P2049 | (P0305) | Misfire, ME-SFI fault code description (Misfiring at cylinder 5, emission limit |
| P2050 | (P0300) | Misfire, ME-SFI fault code description (Sum, TWC-damaging) |
| P2051 | (P0301) | Misfire, ME-SFI fault code description (Misfiring at cylinder 1, TWC-damaging) |
| P2052 | (P0304) | Misfire, ME-SFI fault code description (Misfiring at cylinder 4, TWC-damaging) |
| P2053 | (P0303) | Misfire, ME-SFI fault code description (Misfiring at cylinder 3, TWC-damaging) |
| P2054 | (P0306) | Misfire, ME-SFI fault code description (Misfiring at cylinder 6, TWC-damaging) |
| P2055 | (P0302) | Misfire, ME-SFI fault code description (Misfiring at cylinder 2, TWC-damaging) |
| P2056 | (P0305) | Misfire, ME-SFI fault code description (Misfiring at cylinder 5, TWC-damaging) |
| P205E | (P0702) | ETC control unit, ME-SFI fault code description (Internal fault, Transmission 722.6) |
| P205F | (P0753) | 1-2/4-5 shift solenoid valve, ME-SFI fault code description |
| P2060 | (P0758) | 2-3 shift solenoid valve, ME-SFI fault code description |
| P2061 | (P0763) | 3-4 shift solenoid valve, ME-SFI fault code description |
| P2062 | (P0743) | PWM torque converter lockup solenoid valve, ME-SFI fault code description |
| P2063 | (P0748) | Modulating pressure control solenoid valve, ME-SFI fault code description |
| P2064 | (P0748) | Shift pressure control solenoid valve, ME-SFI fault code description |
| P2065 | (P0702) | Supply voltage to valves, ME-SFI fault code description |
| P2066 | (P0715) | Supply voltage and speed sensors function, ME-SFI fault code description |
| P2067 | (P0705) | ETC control unit, ME-SFI fault code description (Selector lever module incorrectly coded) |
| P2068 | (P0720) | ETC control unit, ME-SFI fault code description (CAN message from the rear wheels from ESP control unit missing or incorrect) |
| P2069 | (P0700) | Gear implausible or leak in transmission, ME-SFI fault code description |
| P206A | (P0700) | Command valve jams in pressure position, MESFI fault code description |
| P206B | (P0740) | Torque converter lock-up clutch, ME-SFI fault code description |
| P206D | (P0730) | Gear comparison (many times) negative, MESFI fault code description |
| P206E | (-) | Transmission variant implausible, ME-SFI fault code description (Coded for manual transmission, vehicle has automatic transmission) |
| P206F | (-) | Transmission variant implausible, ME-SFI fault code description (Incorrectly coded or fault in CAN communication with ETC control unit) |
| P2070 | (-) | Transmission variant implausible, ME-SFI fault code description |
| P2072 | (P0450) | Tank pressure sensor, ME-SFI fault code description (Plausibility) |
| P2073 | (-) | Electrical suction fan, ME-SFI fault code description |
| P2074 | (-) | Variable intake manifold switchover valve, ME-SFI fault code description |
| P2075 | (P0442) | Regeneration system minor leak (function chain) ME-SFI fault code description |
| P2076 | (-) | Oil sensor, ME-SFI fault code description (Oil temperature implausible) |
| P2079 | (-) | CAN fault detection, ME-SFI fault code description (VGB speed) |
| P207A | (-) | CAN fault detection, ME-SFI fault code description (VGB speed) |
| P207B | (-) | CAN fault detection, ME-SFI fault code description (Selector lever position) |
| P207D | (-) | EIS control unit, ME-SFI fault code description |
| P207E | (P0432) | Left Catalytic converter efficiency too low, ME-SFI fault code description |
| P207F | (-) | Aging of O2 sensor downstream TWC, ME-SFI fault code description (Left O2 sensor upstream TWC [KAT], correction variable exceeded) |
| P2080 | (P0153) | Aging of O2 sensor downstream TWC, ME-SFI fault code description (Left O2 sensor upstream TWC [KAT], period duration) |
| P2081 | (-) | O2 Sensor signal - ME-SFI fault code description (Left O2 sensor downstream TWC [KAT], no sensor status change) |
| P2082 | (P0150) | O2 Sensor signal, ME-SFI fault code description (Left O2 sensor upstream TWC [KAT], electrical fault) |
| P2083 | (P0156) | O2 Sensor signal, ME-SFI fault code description (Left O2 sensor downstream TWC [KAT], electrical fault) |
| P2085 | (P0173) | Self-adaptation of mixture formation at limit, ME-SFI fault code description (For the left cylinder bank, at partial load) |
| P2086 | (P0173) | Self-adaptation of mixture formation at limit, ME-SFI fault code description (For the left cylinder bank, in idle) |
| P2087 | (P0173) | Self-adaptation of mixture formation at limit, ME-SFI fault code description (For the left cylinder bank, between idle and partial load) |
| P2088 | (P0155) | O2S-sensor heater, ME-SFI fault code description (Left O2 sensor upstream TWC [KAT], internal resistor) |
| P2089 | (P0161) | O2S-sensor heater, ME-SFI fault code description (Left O2 sensor downstream TWC [KAT], internal resistor) |
| P2090 | (-) | O2 sensor connectors swapped, ME-SFI fault code description |
| P2097 | (-) | Throttle valve actuator, ME-SFI fault code description (Throttle valve jamming, iced up) |
| P2098 | (-) | Crash signal implausible, ME-SFI fault code description |
| P20BE | (P0135) | O2S-sensor heater, ME-SFI fault code description (Right O2 sensor upstream TWC [KAT], voltage supply) |
| P20BF | (P0135) | O2S-sensor heater, ME-SFI fault code description (Left O2 sensor upstream TWC [KAT], voltage supply) |
| P20C2 | (P0141) | O2S-sensor heater, ME-SFI fault code description (Right O2 sensor downstream TWC [KAT], voltage supply) |
| P20C3 | (P0141) | O2-sensor heater, ME-SFI fault code description (Left O2 sensor downstream TWC [KAT], voltage supply) |
| P20Ca | (P0500) | CAN fault detection, ME-SFI fault code description (Speed signal of left rear wheel from ESP control unit) |
| P20Cb | (P0500) | CAN fault detection, ME-SFI fault code description (Speed signal of left front wheel from ESP control unit) |
| P20CC | (-) | CAN fault detection, ME-SFI fault code description (CAN message from the ESP control unit is missing or incorrect) |
| P20CD | (-) | Air conditioning (AC) system, ME-SFI fault code description (AC compressor torque implausible) |
| P20CE | (-) | Air conditioning (AC) system, ME-SFI fault code description (Refrigerant pressure in air conditioning too high) |
| P20CF | (P0120) | Fault code description for pedal value sensor, ME-SFI, Voltage difference between signal 1 and signal 2 |
| P20D0 | (-) | Air conditioning (AC) system, ME-SFI fault code description (Air conditioning requests an implausible fan output) |
| P20D1 | (-) | CAN fault detection, ME-SFI fault code description (Torque request from DTR control unit implausible) |
| P20D2 | (-) | CAN fault detection, ME-SFI fault code description (CAN transmission error of torque request from DTR control unit) |
| P20D3 | (-) | CAN fault detection, ME-SFI fault code description (CAN transmission error of torque request from DTR control unit) |
| P20D4 | (-) | Active load limitation, ME-SFI fault code description |
| P20D5 | (P0702) | ETC control unit, ME-SFI fault code description (The torque request from the ETC control unit is implausible) |
| P20D6 | (P0702) | ETC control unit, ME-SFI fault code description (CAN transmission error for torque request from ETC control unit) |
| P20D7 | (P0702) | ETC control unit, ME-SFI fault code description (CAN transmission error for torque request from ETC control unit) |
| P20D8 | (-) | ESP control unit, ME-SFI fault code description (ESP fault) |
| P20D9 | (-) | CAN fault detection, ME-SFI fault code description (Torque request from ESP control unit implausible) |
| P20Da | (-) | CAN fault detection, ME-SFI fault code description (CAN transmission error of torque request from ESP control unit) |
| P20Db | (-) | CAN fault detection, ME-SFI fault code description (CAN transmission error of torque request from ESP control unit) |
| P20DC | (P0120) | Fault code description for pedal value sensor, ME-SFI (Interruption at signal path 1) |
| P20DD | (P0120) | Pedal value sensor, ME- fault code description (Short-circuit at signal path 1) |
| P20DE | (P0120) | Pedal value sensor, ME-SFI fault code description (Interruption at signal path 2) |
| P20DF | (P0120) | Pedal value sensor, ME-SFI fault code description (Short-circuit at signal path 2) |
| P20E3 | (P0120) | Pedal value sensor, ME-SFI fault code description (Voltage supply for pedal value sensor) |
| P20E4 | (-) | CAN fault detection, ME-SFI fault code description (Implausible signal from the stop lamp switch) |
| P20E5 | (-) | CAN fault detection, ME-SFI fault code description (CAN transmission error of signal from stop lamp switch) |
| P20E6 | (-) | CAN fault detection, ME-SFI fault code description (CAN transmission error of signal from stop lamp switch) |