Trouble Code Definitions
FAULT CODE IDENTIFICATION
| Code |
Circuit Affected |
Probable Cause |
| 13 |
Non-Heated Oxygen Sensor |
Open Circuit |
| 13 |
Heated Oxygen Sensor |
Open Circuit |
| 14 |
Coolant Temperature Sensor |
High/Low Temp. Indicated |
| 21 |
Throttle Position Sensor |
Signal Voltage High/Low |
| 23 |
Intake Air Temp. Sensor |
High/Low Temp. Indicated |
| 24 |
Vehicle Speed Sensor |
Incorrect Signal Voltage |
| 32 |
EGR System |
EGR Failure |
| 33 |
MAP Sensor |
Signal Voltage Low/High Vacuum |
| 42 |
Ignition Control Circuit Error |
Open/Short Circuit |
| 44 |
Oxygen Sensor |
Lean Exhaust Indicated |
| 45 |
Oxygen Sensor |
Rich Exhaust Indicated |
| 51 |
ECM Failure |
ECM Failed Or PROM Failure |