OBDII Code Definitions

Remember that most trouble codes refer to a specific circuit and replacing the sensor without confirming it is bad, may not solve the problem.

Warning: Please check for manufacturer specific codes with an appropriate manual

Freightliner Trouble Codes

Oldsmobile Trouble Codes

Disclaimer:We cannot guarantee the accuracy of all trouble codes.We try and make them as accurate as we can, but sometimes we all make mistakes.

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