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DTC P0232 - Fuel Pump Secondary Circuit High

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P0232 - FUEL PUMP SECONDARY CIRCUIT HIGH

Description:  This DTC sets when the PCM detects voltage on the FPM circuit while the fuel pump (FP) is commanded OFF. The FPM circuit is wired to a pull-up voltage inside the PCM. The FPM circuit goes high if, with the ignition ON, engine OFF and the FP commanded OFF, the FPM/FPPWR circuit loses its path to ground through the FP. The FPM circuit also goes high if the FPM/FPPWR circuit is short to voltage.
Possible Causes: 
  • Open circuit between the FP and the FPM connection to the FPPWR circuit
  • FP ground intermittently open
  • FP electrically open
  • FP secondary circuits short to voltage
  • FP relay contacts always closed
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST KC .