From Ross-Tech Wiki

P2122/008482 - Accelerator Position Sensor (G79): Signal too low

Possible Symptoms

  • MIL On

Possible Causes

  • Faulty Accelerator Pedal Assembly
  • Wiring Harness Issue for Accelerator Pedal Assembly

Possible Solutions

  • Inspect Throttle Pedal and Wiring Harness. See Factory Repair Manual.

Special Notes

The signal voltage for the Accelerator Pedal could be shared with other engine components, O2 sensors for example.