Engine Performance
DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description |
|---|---|
| DTC P0101 | MAFS range/performance |
| DTC P0102 | MAFS sense circuit low voltage |
| DTC P0103 | MAFS sense circuit high voltage |
| DTC P0105 | Manifold Absolute Pressure Sensor Malfunction |
| 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 |