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Home >> Ford >> 2021 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P2C27 - Fuel Injector Group B Supply Sense Circuit Low

P2C27 - Fuel Injector Group B Supply Sense Circuit Low

DTC DESCRIPTION P2C27 - FUEL INJECTOR GROUP B SUPPLY SENSE CIRCUIT LOW

Description:  This DTC sets when the injector relay voltage is less than the calibrated threshold. This DTC also sets when a concern is detected in the INJRLY circuit or the INJPWRM circuit.
Possible Causes: 
  • INJPWRM circuit open
  • INJPWRM circuit short to ground
  • INJRLY circuit short to ground
  • Damaged injector relay
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test KG.