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Home >> Volkswagen >> 2012 >> Routan SEL >> Repair and Diagnosis >> External Pages >> Different car >> Section 1492 (Engine Controls - Powertrain DTC Charts And Descriptions (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0603: Internal Control Module Keep Alive Memory (KAM) Error
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DTC P0603: Internal Control Module Keep Alive Memory (KAM) Error

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
P0603 - INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR

Description:  Indicates the powertrain control module (PCM) has experienced an internal memory concern. However, there are external items that can cause this DTC.
Possible Causes: 
  • Reprogramming
  • Battery terminal corrosion
  • Keep alive power (KAPWR) circuit to PCM concern
  • 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 .