110 Volt Power Outlets Inoperative With DTC B1A78 – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10185743 Manufacturer Communication Number: PIT5779E   Summary This Preliminary information communicates an issue with the 110 volt power outlets not resetting if overloaded and causing the customer to take the vehicle to the dealership to have it reset.  Engineering has released updated cals to correct this concern.   4 Affected Products Vehicles MAKE MODEL … Read more

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 … Read more

Information on False Setting of DTC U0212 – 2020-2021 Cadillac Chevrolet & GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10205058 Manufacturer Communication Number: 20NA114   Summary This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.     8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020 CADILLAC CT5 2020 CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON 2021 GMC YUKON … Read more

A/C Inoperative and/or Insufficient Cooling – 2017-2018 Cadillac Chevrolet & GMC

2018 Chevrolet Silverado

NHTSA ID Number: 10187431 Manufacturer Communication Number: 18NA156   Summary This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.   58 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2014-2018 CADILLAC ESCALADE ESV 2014-2018 CHEVROLET SILVERADO 1500 … Read more

Possible Crank No Start or Extended Crank with DTC P12A6 – 2020-2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10187763 Manufacturer Communication Number: 20NA218   Summary This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.   13 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET CORVETTE 2020 CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 … Read more