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Home >> Ford >> 2016 >> C-Max Energi SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0603 (Pcm) - Internal Control Module Keep Alive Memory (KAM) Error
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P0603 (Pcm) - Internal Control Module Keep Alive Memory (KAM) Error

DTC DESCRIPTION P0603 (PCM) - INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR

Description:  This DTC sets when the PCM has experienced an internal memory concern. There are external items that may cause this DTC.
Possible Causes: 
  • Reprogramming
  • Battery terminal corrosion
  • KAPWR circuit open
  • Incorrect battery connection
  • Damaged PCM
Diagnostic Aids:  If KAPWR is interrupted to the PCM because of a battery or PCM disconnect, a DTC can be generated on the first power-up.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test QB .