| Engine Code | Engine Code Description |
|---|
| P1000 | OBD II Monitor Testing Not Completed |
| P1001 | Unable to Achieve Self-Test Function or SCP Error |
| P1100 | Mass Airflow Sensor Circuit Intermittent |
| P1101 | Mass Airflow Sensor Circuit out of Self-Test Range |
| P1102 | Mass Airflow Sensor Signal Inconsistent with Throttle Position Sensor |
| P1103 | Mass Airflow Sensor Signal Inconsistent with Engine Speed |
| P1110 | Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit |
| P1112 | Intake Air Temperature Sensor Circuit Intermittent |
| P1113 | Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit |
| P1114 | Intake Air Temperature Sensor Circuit Low Input |
| P1116 | ECT Sensor Circuit Out of Self Test Range |
| P1117 | ECT Sensor Signal Intermittent |
| P1120 | Throttle Position Sensor out of Range Low |
| P1121 | Throttle Position Sensor Signal Not Consistent with Mass Airflow Signal |
| P1122 | Throttle Position Stuck Closed |
| P1123 | Throttle Position Stuck Open |
| P1124 | Throttle Position Sensor Signal Out of Self Test Range |
| P1125 | Throttle Position Sensor Signal Intermittent |
| P1127 | HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test |
| P1128 | HO2S Bank 1 Sensor 1 Signals Swapped in Key On Engine Running Self Test |
| P1130 | HO2S Bank 1 Sensor 1 Not Switching (Fuel Control Limit Reached) |
| P1131 | HO2S Bank 1 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean) |
| P1132 | HO2S Bank 1 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich) |
