Engine Control System
ENGINE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Condition | Monitor item |
|---|---|---|
| DTC P0031 | HO2S heater (Front, RH) circuit low | HO2S heater |
| DTC P0032 | HO2S heater (Front, RH) circuit high | HO2S heater |
| DTC P0037 | HO2S heater (Rear, RH) circuit low | HO2S heater |
| DTC P0038 | HO2S heater (Rear, RH) circuit high | HO2S heater |
| DTC P0051 | HO2S heater (Front, LH) circuit low | HO2S heater |
| DTC P0052 | HO2S heater (Front, LH) circuit high | HO2S heater |
| DTC P0057 | HO2S heater (Rear, LH) circuit low | HO2S heater |
| DTC P0058 | HO2S heater (Rear, LH) circuit high | HO2S heater |
| DTC P0101 | MAF sensor inconsistent with TP sensor | CCM |
| DTC P0102 | MAF circuit low input | CCM |
| DTC P0103 | MAF circuit high input | CCM |
| DTC P0111 | IAT circuit performance problem | CCM |
| DTC P0112 | IAT circuit low input | CCM |
| DTC P0113 | IAT circuit high input | CCM |
| DTC P0117 | ECT circuit low input | Engine cooling system |
| DTC P0118 | ECT circuit high input | Engine cooling system |
| DTC P0121 | Throttle position stuck close | CCM |
| DTC P0122 | TP circuit low input | CCM |
| DTC P0123 | TP circuit high input | CCM |
| DTC P0125 | Excessive time to enter closed loop fuel control | Engine cooling system |
| DTC P0126, P0128 | Coolant thermostat stuck open | Thermostat |
| DTC P0126, P0128 | Coolant thermostat stuck open | Thermostat |
| DTC P0132, P0152 | HO2S (Front, RH) no inversion (high stuck) | HO2S |
| DTC P0133, P0153 | HO2S (Front, RH) circuit malfunction | HO2S |
| DTC P0134, P0154 | HO2S (Front, RH) circuit no activity detected | HO2S |
| DTC P0138, P0158 | HO2S (Rear, RH) circuit high input | HO2S |
| DTC P0139, P0159 | HO2S (Rear, RH) circuit malfunction | HO2S |
| DTC P0140, P0160 | HO2S (Rear, RH) circuit no activity detected | HO2S |
| DTC P0132, P0152 | HO2S (Front, LH) no inversion (high stuck) | HO2S |
| DTC P0133, P0153 | HO2S (Front, LH) circuit malfunction | HO2S |
| DTC P0134, P0154 | HO2S (Front, LH) circuit no activity detected | HO2S |
| DTC P0138, P0158 | HO2S (Rear, LH) circuit high input | HO2S |
| DTC P0139, P0159 | HO2S (Rear, LH) circuit malfunction | HO2S |
| DTC P0140, P0160 | HO2S (Rear, LH) circuit no activity detected | HO2S |
| DTC P0300 | Random misfire detected | Misfire |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Cylinder No.1 misfire detected | Misfire |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Cylinder No.2 misfire detected | Misfire |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Cylinder No.3 misfire detected | Misfire |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Cylinder No.4 misfire detected | Misfire |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Cylinder No.5 misfire detected | Misfire |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Cylinder No.6 misfire detected | Misfire |
| DTC P0327 | Knock sensor circuit low input | CCM |
| DTC P0328 | Knock sensor circuit high input | CCM |
| DTC P0335 | CKP sensor circuit malfunction | CCM |
| DTC P0340 | CMP sensor circuit malfunction | CCM |
| DTC P0401 | EGR flow insufficient detected | EGR |
| DTC P0403 | EGR valve motor coils open or short | CCM |
| DTC P0421, P0431 | Warm-up catalyst system (RH) efficiency below threshold | Catalyst |
| DTC P0421, P0431 | Warm-up catalyst system (LH) efficiency below threshold | Catalyst |
| DTC P0441 | Evaporative emission control system incorrect purge flow | Evaporative |
| DTC P0442 | Evaporative emission control system leak detected (small leak) | Evaporative |
| DTC P0443 | Evaporative emission control system purge control valve circuit malfunction | CCM |
| DTC P0446 | Change over valve (COV) (EVAP system leak detection pump) stuck close | CCM |
| DTC P0455 | Evaporative emission control system leak detected (large leak) | Evaporative |
| DTC P0456 | Evaporative emission control system leak detected (very small leak) | Evaporative |
| DTC P0461 | Fuel gauge sender unit circuit range/performance | CCM |
| DTC P0462 | Fuel gauge sender unit circuit low input | CCM |
| DTC P0463 | Fuel gauge sender unit circuit high input | CCM |
| DTC P0480 | Fan control module circuit malfunction | Other |
| DTC P0500 | Vehicle speed sensor (VSS) circuit malfunction | CCM |
| DTC P0505 | IAC valve circuit malfunction | Other |
| DTC P0506 | Idle control system RPM lower than expected | CCM |
| DTC P0507 | Idle control system RPM higher than expected | CCM |
| DTC P0511 | IAC system malfunction | CCM |
| DTC P0550 | PSP switch circuit malfunction | CCM |
| DTC P0602 | PCM programming error | CCM |
| DTC P0610 | Control module vehicle options error | CCM |
| DTC P0661 | Intake manifold communication control (IMCC) actuator circuit low input | Other |
| DTC P0662 | Intake manifold communication control (IMCC) actuator circuit high input | Other |
| DTC P0703 | Brake switch input malfunction | CCM |
| DTC P1602 | Immobilizer unit-PCM communication error | - |
| DTC P1603 | Key ID numbers are not registered in PCM | - |
| DTC P1604 | Code word is not registered in PCM | - |
| DTC P1621 | Code word does not match after engine cranking | - |
| DTC P1622 | Key ID number does not match | - |
| DTC P1623 | Code word or key ID number read/write error in PCM | |
| DTC P1624 | Immobilizer system communication counter=0 | |
| DTC P2096, P2098 | Target A/F feedback system too lean (Right bank) | Fuel |
| DTC P2097, P2099 | Target A/F feedback system too rich (Right bank) | Fuel |
| DTC P2096, P2098 | Target A/F feedback system too lean (Left bank) | Fuel |
| DTC P2097, P2099 | Target A/F feedback system too rich (Left bank) | Fuel |
| DTC P2144 | EGR boost sensor solenoid valve circuit low input | Other |
| DTC P2145 | EGR boost sensor solenoid valve circuit high input | Other |
| DTC P2177, P2179 | Fuel system too lean at off idle (Right bank) | Fuel |
| DTC P2178, P2180 | Fuel system too rich at off idle (Right bank) | Fuel |
| DTC P2177, P2179 | Fuel system too lean at off idle (Left bank) | Fuel |
| DTC P2178, P2180 | Fuel system too lean at off idle (Left bank) | Fuel |
| DTC P2187, P2189 | Fuel system too lean at idle (Right bank) | Fuel |
| DTC P2188, P2190 | Fuel system too rich at idle (Right bank) | Fuel |
| DTC P2187, P2189 | Fuel system too lean at idle (Left bank) | Fuel |
| DTC P2188, P2190 | Fuel system too rich at idle (Left bank) | Fuel |
| DTC P2195, P2197 | HO2S (RF) signal stuck lean | HO2S |
| DTC P2196, P2198 | HO2S (RF) signal stuck rich | HO2S |
| DTC P2195, P2197 | HO2S (LF) signal stuck lean | HO2S |
| DTC P2196, P2198 | HO2S (LF) signal stuck rich | HO2S |
| DTC P2227 | EGR boost sensor circuit performance problem | CCM |
| DTC P2228 | EGR boost sensor circuit low input | CCM |
| DTC P2229 | EGR boost sensor circuit high input | CCM |
| DTC P2401 | Evaporative Emission System Leak Detection Pump motor circuit low input | Evaporative |
| DTC P2402 | Evaporative Emission System Leak Detection Pump motor circuit high input | Evaporative |
| DTC P2404 | Evaporative Emission System Leak Detection Pump air filter clogging | Evaporative |
| DTC P2405 | Evaporative Emission System Leak Detection Pump orifice fallen off | Evaporative |
| DTC P2407 | Evaporative Emission System Leak Detection Pump heater malfunction | Evaporative |
| DTC P2502 | Generator terminal B circuit open | Other |
| DTC P2503 | Generator output voltage signal no electricity | Other |
| DTC P2504 | Battery overcharge | Other |
| DTC P2507 | PCM +BB (back-up battery) voltage low | CCM |
| DTC U0073 | CAN BUS OFF | Other |
| DTC U0101 | PCM cannot receive any signals from TCM | CCM |