DTC 129

UnclassifiedGeneral

What This Code Means

MIL ON (Malfunction Indicator Lamp ON for active fault); Adaptive disabled; MIL ON (Malfunction Indicator Lamp ON) for active fault

Possible Causes

  • Barometric Pressure (BP) less than 8.30 psia
  • Barometric Pressure (BP) value out of normal range
  • BP (Barometric Pressure) less than 8.30 psia
  • BP value is out of the normal range

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for DTC 129 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.

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