Service Update N202319660 Valve Spring Failure – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10187618 Manufacturer Communication Number: N202319660 01   Summary Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin. … Read more

Radio Resets Or Reboots And Then Displays myBrand Splash Animation – 2019-2021 Cadillac Chevrolet GMC

2020 Cadillac CT6

NHTSA ID Number: 10202398 Manufacturer Communication Number: PIT5790C   Summary This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.     Condition Some customers may comment that at times, usually when changing the radio volume with the volume knob or steering wheel controls, that the … Read more

Flashing Diamond – Spot – or UFO On Rear View Camera Display – 2020-2021 Cadillac Chevrolet GMC

2020 Chevrolet Corvette

NHTSA ID Number: 10205548 Manufacturer Communication Number: 21NA091   Summary This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation – Flashing Diamond – Spot – or UFO like image on Rear View Camera Display.     35 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020 CADILLAC CT5 2020-2021 CADILLAC ESCALADE 2020-2021 CADILLAC … Read more

Information on Normal Remote Window Operation and Radio Setting Description – 2019 Chevrolet GMC

2019 Chevrolet Silverado 1500

NHTSA ID Number: 10183189 Manufacturer Communication Number: 20NA111   Summary This informational bulletin provides information for dealers/technicians on Normal Remote Window Operation and Radio Setting Description.     SEOCONTENT-START Copyright 2020 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 20-NA-111 Date: October, 2020 INFORMATION Subject: Information on Normal Remote Window Operation and Radio Setting Description … Read more

Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles – 2021 Buick Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10183191 Manufacturer Communication Number: 20NA160 Summary This service bulletin provides information for dealers/technicians on Normal Characteristic – Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles.     SEOCONTENT-START Copyright 2020 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 20-NA-160 Date: October, 2020 INFORMATION Subject: Normal Characteristic – Wireless … Read more