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

LZ0 Powered Vehicles Shipped with an Extra Quart of Oil – 2023 Chevrolet Silverado & GMC Sierra 1500

2023 Chevrolet Silverado 1500

NHTSA ID Number: 10222836 Manufacturer Communication Number: 22-NA-192 Summary This informational bulletin advises the tech on how to check the oil on the new vehicles.   Information 2023 LZ0 powered vehicles are being shipped with an extra quart of oil in the crankcase. This extra oil is only required for the first factory fill. – Do not … 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

Service Trailer Brake Message With DTC C159C – 2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10224300 Manufacturer Communication Number: PIT5948 Summary This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC.  When checking for DTC’s a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a … Read more

Repeat Front Wheel Speed Sensor DTC After Sensor Replacement – ABS Traction Stability Control MIL DTC C0505 C050B C0511 C0517 C0501 C0502 C0503 C0504 C0507 C0508 C0509 C050D C050E C050F C0510 C0513 C0514 C0515 C0516 and/or C050A – 2019-2023 Chevrolet Silverado & GMC Sierra 1500

2023 Chevrolet Silverado 1500

NHTSA ID Number: 10224302 Manufacturer Communication Number: PIT5950 Summary This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.   Condition When replacing a front wheel speed sensor (WSS) it is critical that the … Read more