Power Solutions International

DTC 51

UnclassifiedGeneral

What This Code Means

Malfunction Indicator Light (MIL) ON during active fault

Possible Causes

  • •Bad heater element in the HEGO sensor
  • •Break in the wire harness on the heater supply or control circuits
  • •Fault within the ECM

Related Power Solutions International Fault Codes

DTC 52DTC 102 9DTC 15 74DTC 121DTC 2 99DTC 123DTC 2 34DTC 127DTC -1644DTC 1298920DTC 148
Browse all Power Solutions International fault codes

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