Engine Fault Codes
| Code | Fault
|
| 12 | None
|
| 13 | O2 sensor (or circuit) malfunction -- see CommonParts replacement
|
| 14 | High Coolant Temperature (relative to other measurements)
|
| 15 | Low Coolant Temperature (relative to other measurements) -- see CTS write-up
|
| 21 | Throttle Position Sensor (Signal Voltage High)
|
| 22 | Throttle Position Sensor (Signal Voltage Low)
|
| 23 | Manifold Air Temperature Low (relative)
|
| 24 | Vehicle Speed Sensor
|
| 25 | Manifold Air Temperature High (relative)
|
| 31 | Manifold Absolute Pressure (Turbo Overboost)
|
| 33 | Manifold Absolute Pressure Sensor (High voltage / Low vacuum)
|
| 34 | Manifold Absolute Pressure Sensor (Low voltage / High vacuum)
|
| 35 | IAC error IAC motor not controlling the engine to the desired speed
|
| 41 | Cam Angle Sensor (Hall Effect Sensor) -- see CAS write-up
|
| 42 | Electronic Spark Timing circuit
|
| 43 | Electronic Spark Control (Knock Sensor Circuit)
|
| 44 | Lean exhaust
|
| 45 | Rich exhaust
|
| 51 | ECU Fault ($$$OUCH$$$--get a new ECU)
|
| 53 | Over voltage (system voltage high)
|
| 54 | CO-Potentiometer circuit
|
| 65 | Fuel injector driver circuit (or output) problem
|
