OBD II Trouble Code Definitions

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OBD2 Diagnostic Trouble Code Tables
P0100 - P0199 | P0200 - P0299 | P0300 - P0399 | P0400 - P0499 | P0500 - P0599 | P0600 - P0699 | P0700 - P0799 | P0800 - P0899 | P1000 - P1099 | P1100 - P1199 | P1200 - P1299 | P1300 - P1399 | P1400 - P1499 | P1500 - P1599 | P1600 - P1699 | P1700 - P1799 | P1800 - P1899 |
  • - Communication Link Malfunction
  • - Internal Control Module Memory Check Sum Error
  • - Control Module Programming Error
  • - Internal Control Module Keep Alive Memory (KAM) Error
  • - Internal Control Module Random Access Memory (RAM) Error
  • - Internal Control Module Read Only Memory ROM) Error
  • - PCM Processor Fault
  • - Control Module VSS Output "B" Malfunction
  • P0620
    - Generator Control Circuit Malfunction
  • P0621
    - Generator Lamp "L" Control Circuit Malfunction
  • - Generator Field "F" Control Circuit Malfunction
  • P0645
    - A/C Clutch Relay Circuit
  • - Malfunction Indicator Lamp (MIL) Control Circuit Malfunction
  • P0654
    - Engine RPM Output Circuit Malfunction
  • - Engine Hot Lamp Output Control Circuit Malfunction
  • P0656
    - Fuel Level Output Circuit Malfunction
    • Please go to our P0600-P0699 forum for aditional codes and for questions and answers about your particular trouble code.