Electrical and Ignition

The electrical hood release buttons (Fig. 11) may be inoperative and a Hood Ajar message may be displayed on the Driver Information Center on some 2020-2021 Corvette models. The hood can be opened using the manual release cable. Fig. 11 These... Read More

#N212330830-01: Service Update Bulletin - Navigation System Displays Incorrect GPS Location - (Jun 21, 2021) Subject:  N212330830 Navigation System Displays Incorrect GPS Location Models:  2021 Cadillac CT4 and CT5 2021 Chevrolet... Read More

#N212332820: Service Update - Unable to Access Apps - (Jun 9, 2021) Subject:  N212332820 — Unable to Access Apps Models:  2021 Cadillac XT4 2021 Chevrolet Corvette 2021 Chevrolet Silverado 1500 2021 GMC Sierra 1500 ... Read More

#N212338110: Safety Recall - Airbag Light May Not Indicate Malfunction - (Jun 3, 2021) Subject:  N212338110 — Airbag Light May Not Indicate Malfunction Models:  2021 Buick Envision 2021 Cadillac CT4 2021 Cadillac CT5 2021... Read More

#21-NA-131: Memory Seat Module Does Not Adjust - (Jun 2, 2021) Subject:  Memory Seat Module Does Not Adjust This bulletin replaces PIT5796A. Please discard all previous copies of PIT5796A. Brand: Model: Model Year: VIN: Engine: ... Read More

#21-NA-053: Radio Software Version V155 Update - (Jun 3, 2021) Subject:  Radio Software Version V155 Update This bulletin replaces PIC6425 and will replace PIT5791 for the models listed. Discard all previous versions of PIC6425 and... Read More

#20-NA-221: Unable to Access Apps and Remote Personalization Features in the Radio - (Jun 3, 2021) Subject:  Unable to Access Apps and Remote Personalization Features in the Radio This bulletin replaces PIT5793A. Please discard all... Read More

#21-NA-099: Speaker Noise, or Loss of Bass, or Low / No Output of Audio from Individual Speaker Channels - (Apr 23, 2021) Subject:  Speaker Noise, or Loss of Bass, or Low / No Output of Audio from Individual Speaker Channels Brand: ... Read More

#21-NA-091: Information on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display - (Apr 13, 2021) Subject:  Information on Normal Rear View Camera Display Operation - Flashing... Read More

2020 - 2021 Corvette: Tips for Over-The-Air Software Programming March 12, 2021 Over-the-Air (OTA) software updates (Fig. 1) that are pushed to vehicles remotely continue to expand in frequency and use on GM models. Vehicles using the Global A... Read More