Possible Causes
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY APP SENSOR 1 CIRCUIT OPEN OR SHORTED TO GROUND |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 1 GROUND CIRCUIT |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 2 GROUND CIRCUIT |
| APP SENSOR 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR 1 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| ACCELERATOR PEDAL POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .