Trouble Code Identification - TBI Models
ECM TROUBLE CODE I.D.
| Code | Circuit Affected |
|---|---|
| 13 | Open Oxygen Sensor Circuit |
| 14 | Coolant Sensor Signal Voltage Low |
| 15 | Coolant Sensor Signal Voltage High |
| 21 | TPS Signal Voltage High |
| 22 | TPS Signal Voltage Low |
| 24 | Vehicle Speed Sensor Circuit |
| 32 | EGR System Failure (2.8L & 4.3L Only) |
| 33 | MAP Sensor Signal Voltage High |
| 34 | MAP Sensor Signal Voltage Low |
| 35 | IAC Circuit (2.5L Only) |
| 42 | EST Circuit |
| 43 | ESC Circuit (2.8L Only) |
| 44 | Lean Exhaust Indication |
| 45 | Rich Exhaust Indication |
| 51 | PROM Problem |
| 52 | Fuel CALPAK Missing (2.8L & 4.3L Only) |
| 54 | Fuel Pump Relay Circuit Low Voltage (2.8L Only) |
| 55 | Replace ECM |