Quote:
Originally Posted by Tony500
It wasn't on the car before I got it mapped.... I take it that it's nothing bad just saying there has been a software change?
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It's an error saying that the software has been tampered with. The CCM and ECU compare signatures of the ECU software and if they don't match, the fault is logged.
It's one of the easy ways insurers/investigators can log whether a car has had the software modified from factory. As well as for warranty etc.