Adaptive Cruise Inoperative with Adaptive Cruise Control Temporarily Unavailable Message and code U0422 – 2019-2021 Cadillac Chevrolet GMC

NHTSA ID Number: 10201294 Manufacturer Communication Number: PIT5845 Summary This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM.   Condition Customer may comment that the adaptive cruise is inoperative with adaptive cruise control temporarily unavailable message and DTC U0422 in the EBCM. The regular cruise may work when this happens.   Cause Concerns … Read more

History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages – 2021 Buick Envision

2021 Buick Envision

NHTSA ID Number: 10193468 Manufacturer Communication Number: PIT5837   Summary This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.     1 Affected Product Vehicle MAKE MODEL YEAR BUICK ENVISION 2021   Condition A technician may find any number of the following DTCs set in History. These history … 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

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 … Read more

Multiple U-code Diagnostic Information – With one having symptom Byte 71 – 2013-2019 Buick Cadillac Chevrolet GMC

2019 Chevrolet Corvette ZR1

NHTSA ID Number: 10163665 Manufacturer Communication Number: PIT5569A Summary This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.   270 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2018 BUICK ENCLAVE 2013-2018 BUICK ENCORE 2013-2018 BUICK ENVISION 2016-2018 BUICK LACROSSE 2013-2018 BUICK REGAL 2013-2018 BUICK VERANO 2013-2017 … Read more