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Home >> Ford >> 2021 >> F-150 Raptor >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Diesel) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P2508 - ECM/PCM Power Input Signal High

P2508 - ECM/PCM Power Input Signal High

DTC DESCRIPTION P2508 - ECM/PCM POWER INPUT SIGNAL HIGH

Description:  This DTC sets when the PCM internal 5 volt power supply voltage is greater than a calibrated threshold.
Possible Causes: 
  • Battery voltage high
  • Charging system concern
  • Damaged PCM
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST AJ .