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Re: Need help with GDS2 (GM Diagnostics)
Posted to HD/Fleet Forum on 1/13/2021 3 Replies

Thanks much Brad - This appears to be a circuit issue with the affected DEF heater not so much a performance issue. Will see if I can find the heater control within that module if I catch the job again. Login to read more.

3 Replies Received (View Replies)