Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs – 2019-2021 Cadillac Chevrolet GMC

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10224856 Manufacturer Communication Number: 21-NA-149 Summary This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.   Condition 1 This Condition pertains to vehicles equipped with engine 2.7L, L3B only. Some customers may comment on any of the following concerns: – SES MIL – No Start – No …

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Engineering Information – No Restart After Auto-Stop Event, No Crank, DTCs P0617, P26E6 P305D, U0102, U0284, U0285, U0672, U111A, U111E and/or U1348 – 2019-2020 Chevrolet Silverado & GMC Sierra 1500

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10183785 Manufacturer Communication Number: PIE0572A   Summary This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a no restart after auto-stop event and/or, no crank.     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 GMC SIERRA …

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6.2L Engine Restriction – 2020-2021 Cadillac Chevrolet GMC

2021 Chevrolet Camaro

NHTSA ID Number: 10184095 Manufacturer Communication Number: PIP5759A   Summary This Preliminary information communicates 6.2L engine restriction, Contact TAC   11 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CHEVROLET CAMARO 2020-2021 CHEVROLET CORVETTE 2020 CHEVROLET SILVERADO 1500 2021 CHEVROLET SILVERADO 2500 2020 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC SIERRA 1500 2021 GMC SIERRA 2500 …

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Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10178357 Manufacturer Communication Number: PIT5756   Summary This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: – No crank – No start – Starter grinds or reengages after engine running – Headlights flicker or flash – SES MIL – IPC gauges …

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Power Door Locks Cycle or Intermittently Inoperative – Loss of Data With Multiple U-Codes –Unwanted Seat or Memory Mirror Movement or Doesn’t Function –Intermittent No Crank/No Start or Reduced Power – 2017-2021 GMC Acadia & Cadillac XT5

2019 GMC Acadia

NHTSA ID Number: 10185718 Manufacturer Communication Number: PIT5606J   Summary This Preliminary information communicates an Intermittent No Crank, No Start, or Reduced Power loss of data multiple U codes or Intermittent Power Door Locks inoperative, unwanted seat or mirror movement.  Inspect harness for chaffed by the I-shaft at the base of the steering column. If chaffed, repair damaged wires …

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