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Accelerator Pedal Position Sensor Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 132 PID: P091 SPN: 091 FMI: 4/4 LAMP: Red SRT: |
Accelerator Pedal Position Sensor Circuit – shorted low. Low voltage detected at accelerator pedal position signal circuit. |
Severe derate in power output of the engine. Limp home power only. |
 Accelerator Pedal Position Sensor Circuit
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Circuit Description
The accelerator pedal position sensor is attached to the accelerator pedal. The accelerator pedal position sensor sends a signal to the electronic control module (ECM) when the accelerator pedal is depressed and released. The accelerator pedal position circuit contains three wires: Accelerator Pedal Position Supply, Accelerator Pedal Position Return, and Accelerator Pedal Position Signal.
Component Location
The accelerator pedal position sensor is mounted to the accelerator pedal assembly.
Shop Talk
If troubleshooting an intermittent accelerator problem:
The accelerator pedal position sensor signal voltage can be monitored with the INSITE™ electronic service tool, while flexing the harness to locate the intermittent connection. Intermittent connections will show up as abrupt changes in signal voltage displayed by INSITE™.
Possible causes of this fault include:
- Accelerator pedal position signal shorted to engine ground or return wires in the OEM harness or sensor.
- Failed accelerator pedal position sensor.
Refer to Troubleshooting Fault Code t05-132
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