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The following service bulletins from Delco apply to all 1963 Corvettes equipped with RPO #U65 - Signal Seeking AM Band Radio:   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

#PIP5752M: Service Engine Light Misfire Engine Noise With DTC P0300 P0106 P0506 - (Jun 1, 2021) Subject:  Service Engine Light Misfire Engine Noise With DTC P0300 P0106 P0506 Brand: Model: Model Year: VIN: Engine: Transmission: ... 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

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

#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

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

2020 - 2021 Corvette: Service Front Suspension Lift System Message March 30, 2021 Some 2020-2021 Corvettes may display a Service Front Suspension Lift System message on the Driver Information Center (DIC). DTCs C103C (Left Front Strut Position... Read More

#PIP5797: M1L Internal Transmission Faults Related To Components Not Serviceable At The Dealer Level - (Mar 30, 2021) Subject:  M1L Internal Transmission Faults Related To Components Not Serviceable At The Dealer Level Brand: Model: ... Read More