P0123-Accelerator Pedal Position Sensor Signal 1 Circuit High: Notes
- When Monitored : With the ignition on and no other Accelerator Pedal Position (APP) Sensor 1 DTCs present.
- Set Condition : When APP Sensor Signal 1 voltage is too high. Engine will only idle if the brake pedal is pressed or has failed. Acceleration rate and engine output are limited.
| Possible Causes |
|---|
| ACCELERATOR PEDAL POSITION SENSOR SIGNAL 1 CIRCUIT SHORT TO VOLTAGE |
| ACCELERATOR PEDAL POSITION SENSOR SIGNAL 1 SHORT TO APP SENSOR 5-VOLT SUPPLY CIRCUIT |
| SENSOR GROUND CIRCUIT OPEN |
| ACCELERATOR PEDAL POSITION SENSOR |
| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, refer to SCHEMATICS AND DIAGRAMS .