18560/P2128

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Revision as of 17:31, 16 February 2012 by Jef (talk | contribs) (Created page with '__FORCETOC__ == 18560/P2128 - Accelerator Position Sensor 2 (G185): Signal too High == ==== Possible Symptoms ==== * MIL on * Reduced Power Output ==== Possible Causes ==== …')
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18560/P2128 - Accelerator Position Sensor 2 (G185): Signal too High

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

Special Notes

  • O2 sensor issues can also cause the following DTCs:
    • 16610 - Throttle Pedal Position Sensor (G79): Implausible Signal
    • 18565 - Throttle Position Sensor Bank 2: Signal too High
  • In some cases, O2 sensors will damage the ECM. Ross Tech suggest to replace O2 sensors before replacing an ECM for this type of issue.
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