N202313440 – Missing or Loose Bolts on Start/Stop Accumulator – 2018-2020 Buick Cadillac Chevrolet GMC

2020 Chevrolet Blazer

October 29, 2020 NHTSA CAMPAIGN NUMBER: 20V668000 Missing or Loose Bolts on Start/Stop Accumulator Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the … Read more

Product Safety Recall N202300860 Loss of Brake Assist – 2018 Cadillac Chevrolet GMC

2018 Cadillac Escalade

October 1, 2020 NHTSA CAMPAIGN NUMBER: 20V603000 Vacuum Pump May Decrease Power Brake Assist A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.   NHTSA Campaign Number: 20V603 Manufacturer General Motors LLC Components SERVICE BRAKES, HYDRAULIC Potential Number of Units Affected 14,620   Summary General … 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

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

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

GF9 9T45/50/60/65 Transmission Fluid Leak – 2020 Buick Cadillac Chevrolet GMC

2020 Chevrolet Blazer

NHTSA ID Number: 10178388 Manufacturer Communication Number: PIP5720A   Summary This Preliminary information communicates that a possible trans fluid leak found may only be residual fluid that was left during the assembly process with no repairs needed if no dye is detected after cleaning and re-evaluation.   10 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2020 BUICK … Read more