Electrical and Ignition

#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-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

#20-NA-123: Malfunction Indicator Lamp (MIL) Illuminated, DTCs U1961, U1983 Set - (Mar 8, 2021) Subject:  Malfunction Indicator Lamp (MIL) Illuminated, DTCs U1961, U1983 Set Brand: Model: Model Year: Breakpoint: Engine: ... 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

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