Quote:
Originally Posted by SnoZi
Hello friend, thx for the answer.
Altough i must ask
Did you use chat gpt to get that answer ? Or is that from experience ?
How do I know if it is the ECU?
If it turns out to be the driver. Can i repare this ?
Kind regards
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bishopts is a professional mechanic

who kindly sacrifices some of his time to help us all out here.
If that is indeed the problem, the ECM may be toast and you'll need a replacement. Let me attach the troubleshooting procedure from the service manual for you. At first glance it appears to agree with the diagnosis, but there are many steps to verify the condition.
I suggest that if your diagnostics indicate the need for ECM (K20) replacement, and you aren't able to get to a GM dealership, which may well be the case in Belgium, get a 3-day ACDelco TDS subscription and download the entire service manual (or get it from somewhere else), there's a whole host of additional information about the process.