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#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

The 2020 - 2021 Corvette Stingray features two brake options. RPO JL9 is the base brake system and the heavy-duty RPO J55 brake system is standard on all models with the Z51 Performance Package. (Fig. 8) The high performance brakes of the J55 system... Read More

#13-03-10-001H: Information on Summer Tire Performance and Tire Cold Weather Cracking - (May 6, 2021) Subject:  Information on Summer Tire Performance and Tire Cold Weather Cracking Models:  2012 - 2017 Buick Regal GS 2014 - 2015... Read More

#20-NA-042: Fuel Gauge May Intermittently Display Erratic and/or Empty Readings, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0462 Set - (May 5, 2021) Subject:  Fuel Gauge May Intermittently Display Erratic and/or Empty Readings,... Read More

#21-NA-109: Diagnostic Information on Engine Vibration - (May 3, 2021) Subject:  Diagnostic Information on Engine Vibration This bulletin replaces PIP5503B. Please discard PIP5503B. 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

Internal Transmission Faults Not Serviceable at the Dealership April 13, 2021 GM TechLink A Service Transmission message or a Service Engine Soon message may be displayed on the Driver Information Center of some 2020-2021 Corvettes equipped with the... 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-038: Information on Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) Usage - (Apr 8, 2021) Subject:  Information on Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) Usage This bulletin replaces PIP5663.... 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