FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diagnostic Compare Failure

When monitored: Anytime.

Set condition: The two microprocessors in the CAB do not agree on their calculation results.

Possible causes:

> Internal CAB failure
> Interference from radio transmitters (RFI/EMI transients)

NOTE: This code can only be erased with the DRB, unlike other diagnostic trouble codes.