SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / Loss Communication / DTCs (V8 and V6 Inspect Engine Harness) – 2019-2020 Chevrolet Silverado & GMC Sierra 1500
NHTSA ID Number: 10178390 Manufacturer Communication Number: PIT5742A Summary This Preliminary information communicates an issue with the engine wiring harness shorting on the ecm mounting bracket and provides repair instructions.