ECM Trouble Codes
ECM TROUBLE CODES
| Code | Circuit Affected |
|---|---|
| EO13 | Open O2 Sensor Circuit |
| EO14 | Coolant Sensor Temperature Too High |
| EO15 | Coolant Sensor Temperature Too Low |
| EO16 | Battery System Voltage Too High |
| EO17 | Spark Reference Circuit |
| EO21 | TPS Signal Voltage High |
| EO22 | TPS Signal Voltage Low |
| EO23 | IAT (MAT) Sensor Signal Voltage High |
| EO24 | Vehicle Speed Sensor (VSS) Circuit |
| EO25 | IAT (MAT) Sensor Signal Voltage Low |
| EO26 | Quad-Driver Circuit |
| EO31 | Park/Neutral Switch Circuit |
| EO34 | MAF Sensor Circuit |
| EO38 | Brake Switch Circuit |
| EO41 | Cam Sensor Circuit |
| EO42 | Electronic Spark Timing (EST) Circuit |
| EO43 | Electronic Spark Control (ESC) Circuit |
| EO44 | Oxygen Sensor Circuit Lean |
| EO45 | Oxygen Sensor Circuit Rich |
| EO47 | ECM-BCM Data |
| EO51 | MEM-CAL Error |
| EO58 | VATS Fuel Enable Circuit |
| EO61 | Cruise Vent Solenoid |
| EO62 | Cruise Vacuum Solenoid |
| EO65 | Cruise Servo Position |
| EO67 | Cruise Switches |
| EO68 | Cruise System Problem |