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Diagnostic Trouble Codes - Powertrain Expand All (for easy ctrl-f) Collapse All OBD II Monitoring Conditions Notes PDU DATALOGGER Acronyms Diagnostic Trouble Code Index Diagnostic Trouble Codes DTC P0101: MAFS range/performance DTC P0102: MAFS sense circuit low voltage DTC P0103: MAFS sense circuit high voltage DTC P0106: BARO circuit low voltage DTC P0107: BARO circuit high voltage DTC P0111: IATS range/performance DTC P0112: IATS sense circuit high voltage (low air temperature) DTC P0113: IATS sense circuit low voltage (high air temperature) DTC P0116: ECTS range/performance DTC P0117: ECTS sense circuit high voltage (low coolant temperature) DTC P0118: ECTS sense circuit low voltage (high coolant temperature) DTC P0121: TPS circuit range/performance DTC P0122: TPS circuit "1" low voltage DTC P0123: TPS circuit "1" high voltage DTC P0125: ECTS response (for closed loop fuel control) DTC P0131: HO2S sense circuit low voltage - A bank, upstream (1) DTC P0132: HO2S sense circuit high voltage - A bank, upstream (1) DTC P0133: HO2S sense circuit slow response - A bank, upstream (1) DTC P0135: HO2S heater circuit malfunction - A bank, upstream (1) DTC P0137: O2S sense circuit low voltage - A bank, downstream (2) DTC P0138: O2S sense circuit high voltage - A bank, downstream (2) DTC P0140: O2S sense circuit no activity - A bank, downstream (2) DTC P0151: HO2S sense circuit low voltage - B bank, upstream (1) DTC P0152: HO2S sense circuit high voltage - B bank, upstream (1) DTC P0153: HO2S sense circuit slow response - B bank, upstream (1) DTC P0155: HO2S heater circuit malfunction - B bank, upstream (1) DTC P0157: O2S sense circuit low voltage - B bank, downstream (2) DTC P0158: O2S sense circuit high voltage - B bank, downstream (2) DTC P0160: O2S sense circuit no activity - B bank, downstream (2) DTC P0171: A bank combustion too lean DTC P0172: A bank combustion too rich DTC P0174: B bank combustion too lean DTC P0175: B bank combustion too rich DTC P0201: Fuel injector circuit malfunction - cylinder A1 (1) DTC P0202: Fuel injector circuit malfunction - cylinder A2 (2) DTC P0203: Fuel injector circuit malfunction - cylinder A3 (3) DTC P0204: Fuel injector circuit malfunction - cylinder A4 (4) DTC P0205: Fuel injector circuit malfunction - cylinder B1 (5) DTC P0206: Fuel injector circuit malfunction - cylinder B2 (6) DTC P0207: Fuel injector circuit malfunction - cylinder B3 (7) DTC P0208: Fuel injector circuit malfunction - cylinder B4 (8) DTC P0222: TPS circuit "2" low voltage DTC P0223: TPS circuit "2" high voltage DTC P0300: Random misfire detected DTC P0301: Misfire detected - cylinder A1 (1) DTC P0302: Misfire detected - cylinder A2 (2) DTC P0303: Misfire detected - cylinder A3 (3) DTC P0304: Misfire detected - cylinder A4 (4) DTC P0305: Misfire detected - cylinder B1 (5) DTC P0306: Misfire detected - cylinder B2 (6) DTC P0307: Misfire detected - cylinder B3 (7) DTC P0308: Misfire detected - cylinder B4 (8) DTC P0327: KS sense circuit out of range (low voltage) - A bank DTC P0328: KS sense circuit out of range (high voltage) - A bank DTC P0332: KS sense circuit out of range (low voltage) - B bank DTC P0333: KS sense circuit out of range (high voltage) - B bank DTC P0335: CKPS circuit malfunction DTC P0340: CMPS circuit malfunction DTC P0351: Ignition coil (A1) primary/secondary circuit malfunction DTC P0352: Ignition coil (A2) primary/secondary circuit malfunction DTC P0353: Ignition coil (A3) primary/secondary circuit malfunction DTC P0354: Ignition coil (A4) primary/secondary circuit malfunction DTC P0355: Ignition coil (B1) primary/secondary circuit malfunction DTC P0356: Ignition coil (B2) primary/secondary circuit malfunction DTC P0357: Ignition coil (B3) primary/secondary circuit malfunction DTC P0358: Ignition coil (B4) primary/secondary circuit malfunction DTC P0400: EGR flow malfunction DTC P0405: EGR drive circuits open circuit DTC P0406: EGR drive circuits short circuit DTC P0420: Catalyst efficiency below threshold - A bank DTC P0430: Catalyst efficiency below threshold - B bank DTC P0441: EVAP system incorrect purge flow DTC P0444: EVAPP valve circuit open circuit DTC P0445: EVAPP valve circuit short circuit DTC P0460: Fuel level sense signal performance DTC P0506: Idle rpm lower than expected DTC P0507: Idle rpm higher than expected DTC P0560: Vehicle voltage malfunction DTC P0566: Cruise control CANCEL switch ON fault DTC P0567: Cruise control RESUME switch ON fault DTC P0568: Cruise control switch ground malfunction DTC P0569: Cruise control DECEL/SET (SET-) switch ON fault DTC P0570: Cruise control ACCEL/SET (SET+) switch ON fault DTC P0603: ECM data corrupted DTC P1000: System checks not complete since last memory clear DTC P1104: MAFS ground malfunction DTC P1111: System checks complete since last memory clear DTC P1121: Pedal position sensor circuit "A" range/performance DTC P1122: Pedal position sensor circuit "A" low voltage DTC P1123: Pedal position sensor circuit "A" high voltage DTC P1221: Pedal position sensor circuit "B" range/performance DTC P1222: Pedal position sensor circuit "B" low voltage DTC P1223: Pedal position sensor circuit "B" high voltage DTC P1224: Throttle control position error DTC P1226: Mechanical guard sensor range/performance DTC P1227: Mechanical guard sensor circuit low voltage DTC P1228: Mechanical guard sensor circuit high voltage DTC P1229: Throttle motor control circuit malfunction DTC P1230: Fuel pump relay malfunction DTC P1235: VSV 1 circuit range/performance (mechanical guard position) DTC P1236: VSV 1 (vacuum) circuit failure DTC P1237: VSV 2 (atmosphere) circuit failure DTC P1238: VSV 3 (release) circuit failure DTC P1240: Sensor reference voltage malfunction (TPS, pedal position and mechanical guard sensors) (ECM pins EM10-21, EM11-8) DTC P1241: Sensor power supply low voltage (TPS, pedal position and mechanical guard sensors) (ECM pins EM10-21, EM11-8) DTC P1242: Sensor power supply high voltage (TPS, pedal position and mechanical guard sensors) (ECM pins EM10-21, EM11-8) DTC P1243: Sensor reference ground malfunction (throttle sensors, ECTS, IATS) (ECM pins EM10-20, EM11-12) DTC P1245: Engine crank signal low voltage DTC P1246: Engine crank signal high voltage DTC P1250: Engine load malfunction DTC P1251: Throttle position malfunction (engine off) DTC P1252: Mechanical guard position malfunction (cruise control) DTC P1253: Mechanical guard position malfunction (engine off) DTC P1260: Security input (not used - NAS) DTC P1313: Misfire rate catalyst damage - A bank (1); Note: This DTC will flag only when accompanied by a random or individual cylinder misfire DTC: P0300; P0301 - P0304 DTC P1314: Misfire rate catalyst damage - B bank (2); Note: This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 DTC P1316: Misfire excess emission; Note: This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 DTC P1336: CKPS/CMPS sensors synchronization malfunction DTC P1367: Ignition monitor (ignition module 1) DTC P1368: Ignition monitor (ignition module 2) DTC P1392: VVT solenoid circuit open circuit - A bank DTC P1393: VVT solenoid circuit short circuit - A bank DTC P1396: VVT solenoid malfunction - B bank DTC P1397: VVT solenoid circuit open circuit - B bank DTC P1398: VVT solenoid circuit short circuit - B bank DTC P1475: Radiator fans slow (series) circuit malfunction DTC P1476: Radiator fans fast (parallel) circuit malfunction DTC P1516: Gear change PARK/NEUTRAL driving malfunction DTC P1517: Engine cranking PARK/NEUTRAL malfunction DTC P1571: Brake switch malfunction DTC P1606: EMS control relay malfunction DTC P1609: ECM microprocessor-to-microprocessor communication failure DTC P1611: Throttle angle malfunction DTC P1612: Throttle offset malfunction DTC P1637: CAN ABS/TCCM token missing DTC P1638: CAN INST token missing DTC P1642: CAN circuit malfunction DTC P1643: CAN TCM token missing