Loss of Power, Malfunction Indicator Lamp (MIL) Illuminated, Gauges Inoperative and/ or Multiple Warning Lights/Messages Displayed on Driver Information Center (DIC) – Multiple DTCs Set – 2019-2022 Chevrolet Malibu

2022 Chevrolet Malibu

NHTSA ID Number: 10205560 Manufacturer Communication Number: 21NA220   Summary This service bulletin provides a procedure to inspect and possibly repair terminals that may be damaged to correct customer concerns of Loss of Power, Malfunction Indicator Lamp (MIL) Illuminated, Gauges Inoperative and/or Multiple Warning Lights/Messages Displayed on Driver Information Center (DIC).     4 Affected Products Vehicle …

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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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Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM – 2020 Chevrolet Corvette

2020 Chevrolet Corvette

NHTSA ID Number: 10184093 Manufacturer Communication Number: PIP5757A   Summary This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   SEOCONTENT-START Bulletin No.: PIP5757A Published date: 11/2/2020 Preliminary Information PIP5757A Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM Models Brand: Model: Model Years: VIN: Engine: …

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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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No Restart after an Auto Stop Event / No Crank / Dead Battery – 2019-2021 Chevrolet Silverado & GMC Sierra

2019 Chevrolet Silverado 1500

NHTSA ID Number: 10201279 Manufacturer Communication Number: PIT5689D   Summary This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.     Condition Some customers may …

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