Engine Coolant Reservoir Overfilled With Discolored Coolant Possible Engine Overheat Transmission Shake Shudder Vibration Shift Performance Or Slipping – 2021-2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10226385 Manufacturer Communication Number: PIP5845A Summary This Preliminary information communicates to the dealer technician that if the vehicle’s engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic Transmission Fluid Cooling Exchanger. The dealer should refer to bulletin 08-07-30-035 for the recommended components … Read more

Possible Tick or Rattle Noise Concern from Left and/or Right Side Rocker Cover – 2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222798 Manufacturer Communication Number: 22-NA-060 Summary This informational bulletin provides a procedure to install an isolator over the valve cover if found missing and corrects the customers concern.   Condition Some customers may comment that they hear a tick or rattle type noise coming from the engine compartment – This noise may be noticeable … Read more

Rear Hatch Liftgate Window Glass Inoperative – 2021-2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222834 Manufacturer Communication Number: 22-NA-190 Summary This technical bulletin provides repair information to correct a customer concern of Rear Hatch Liftgate Window Glass Inoperative.   Condition Some customers may experience the switch on the vehicle to open the rear hatch window glass may be inoperative, the key fob switch will continue to work.   … Read more

Information On Vehicles Built With Heated And Vented Seats Disabled / Heated Steering Wheel Disabled / Front Rear Park Assist Disabled / Wheel Well Liners / Column Lock / Rocker Protectors / Express Up Rear Windows – 2022 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10224283 Manufacturer Communication Number: PIT5883E Summary This Preliminary information communicates vehicles being built without certain options due to a parts shortage.   Condition This is an informational PI to bring awareness to certain vehicle options being disabled. Please be aware that some vehicles, identified by an RPO code, are built with the following option(s) … Read more

No Selection In The DIC To Reset The Fuel Filter Life (Canada and Mexico Vehicles Only) – 2021-2022 Chevrolet GMC

Chevrolet & GMC

NHTSA ID Number: 10224299 Manufacturer Communication Number: PIT5917A Summary This Preliminary information communicates an issue where there is no selection to reset the fuel filter life in the IPC and engineering is working on a fix.   Condition Some customers may comment that they are unable to reset the fuel filter monitor system. When scrolling through the … Read more