EOBD Generic Fault Codes starting P06xx
Computer and Auxiliary Outputs

  • P0600 Serial Communication Link Malfunction
  • P0601 Internal Control Module Memory Check Sum Error
  • P0602 Control Module Programming Error
  • P0603 Internal Control Module Keep Alive Memory (KAM) Error
  • P0604 Internal Control Module RAM Error
  • P0605 Internal Control Module ROM Error (Module Identification Defined by SAE J1979)
  • P0606 PCM Processor Fault
  • P0608 Control Module VSS Output "A" Malfunction
  • P0609 Control Module VSS Output "B" Malfunction
  • P0620 Generator Control Circuit Malfunction
  • P0621 Generator Lamp "L" Control Circuit Malfunction
  • P0622 Generator Field "F" Control Circuit Malfunction
  • P0650 Malfunction Indicator Lamp (MIL) Control Circuit Malfunction
  • P0654 Engine RPM Output Circuit Malfunction
  • P0655 Engine Hot Lamp Output Control Circuit Malfunction
  • P0656 Fuel Level Output Circuit Malfunction