Fault code library

[patrik16]

Is there one?

[Borgia]

This is easily the biggest flaw in the whole GS-911 scheme. Someone should have started documenting and publishing the fault codes long ago.

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[WayneC]

It is not a simple thing to create a fault code list due to the way fault codes are generated, it is not like the mandated fault codes under OBDII spec & even in that spec the mandated codes are only a small % of the fault codes which may be generated on OBDII compliant vehicles. Many fault codes are model specific

[Borgia]

But it is a simple thing to keep a running log of fault codes encountered along with model and year and cause. Not looking for perfection or 100% coverage.

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[WayneC]

Anyone had any experience with a P0021 fault code detected? If so what was your fix/outcome....
Thanks in advance

What model did you see the P0021 fault code on ?