16505

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Revision as of 11:33, 28 June 2012 by Jef (talk | contribs) (Created page with "__FORCETOC__ == 16505/P0121 - Throttle Position Sensor (G69): Implausible Signal == ==== Possible Symptoms ==== * MIL on * Poor engine performance ==== Possible Causes ===...")
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16505/P0121 - Throttle Position Sensor (G69): Implausible Signal

Possible Symptoms

  • MIL on
  • Poor engine performance

Possible Causes

  • Wiring Harness issue
  • Failed Throttle Body
  • Failed ECM

Possible Solutions

Special Notes

  • For some vehicles, there may be a TPI with instructions on replacing the terminals for the throttle body.
  • Some ECMs may have a firmware update to address this issue during cold weather.