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P103A - Fuel Injector Heater Control Module Monitor Circuit

DTC DESCRIPTION P103A - FUEL INJECTOR HEATER CONTROL MODULE MONITOR CIRCUIT

Description:  This DTC sets when the PCM detects a concern with the FIHM circuit.
Possible Causes: 
  • FIHM circuit open
  • FIHM circuit short to ground
  • FIHM circuit short to voltage
  • Damaged fuel injector heater control module
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test AB .