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had a trailer brake warning on cid. dealer said u0137, no comms with aux chassis control module. less than expected voltage on power circuit (ckt 2040). they replaced ckt 2040 from ubec to aux chassis control module. within 3 miles from dealership after picking up truck from them, get a front left turn indicator warning. does anyone know if that would come from same harness or something else. took truck back and it wouldn’t do it. left dealer and it happened 2 miles down road. 2017 silverado high country

 

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