Silverado

Diagnostic Tip – Service Stability System Message / MIL DTC U0131 – 2020 Chevrolet Silverado & GMC Sierra 2500/3500

by
2020 Chevrolet Silverado

NHTSA ID Number: 10178356 Manufacturer Communication Number: PIT5755   Summary This Preliminary information communicates an issue with the Electronic Brake Control Module incorrectly mapping DTC U0126 as a U0131 and directs the dealership to follow the diagnostics for the U0126.   4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020 CHEVROLET SILVERADO 3500 2020 GMC SIERRA 2500 … Read more

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

by
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 … Read more

Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in Duramax Diesel Engines Using GDS 2 – 2019-2023 Cadillac Chevrolet GMC

by
General Motors

NHTSA ID Number: 10222660 Manufacturer Communication Number: 20-NA-090 Summary This informational bulletin provides a way for the technician to identify if the ECM has been modified.   General Motors Position on Aftermarket Power-Up Devices General Motors does not support or endorse the use of devices or modifications that when installed, increase the engine horsepower and torque. This … Read more

Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns – 2015-2020 Cadillac Chevrolet GMC

by
2020 Chevrolet Tahoe

NHTSA ID Number: 10178382 Manufacturer Communication Number: PIT5533C   Summary This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will need to loosen and then re-torque the four front frame cross … Read more

Information on Head-Up Display (HUD) on Model Year 2017 and Newer Vehicles – Rotational Feature that Allows for Adjusting of Angle of HUD Image – 2017-2020 Buick Cadillac Chevrolet GMC

by
2020 Chevrolet Corvette

NHTSA ID Number: 10178255 Manufacturer Communication Number: 19NA010   Summary This informational bulletin provides information for dealers/technicians on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Having Rotational Feature that Allows for Adjusting of Angle of HUD Image.   47 Affected Products Vehicles MAKE MODEL YEAR BUICK ENVISION 2018-2020 CADILLAC ATS 2017-2019 CADILLAC CT6 2017-2019 … Read more