P2128

P2128 OBD Code Definition:
P2128 Throttle/Pedal Position Sensor/Switch E Circuit High Input
P2128 OBD Code Description:

Possible Symptoms

  • MIL on
  • Reduced Power Output

Possible Causes

  • Faulty Accelerator Pedal (very unlikely)
  • Wiring Harness Issue
  • Faulty ECM
  • O2 Sensor(s)

Possible Solutions

  • Inspect and test Wiring harness for Accelerator Pedal, see Repair Manual
  • Visually inspect O2 sensors for damage

 

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