2021 Chevrolet Corvette Technical Service Bulletins

770 technical service bulletins (TSBs) are on record for the 2021 Chevrolet Corvette. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10208051Jan 24, 2022Electrical system, Body and structure. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
• 10212609Jan 21, 2022Fuel system. This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
• 10212628Jan 18, 2022Electrical system. This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
• 10212605Jan 18, 2022Engine. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10214209Jan 14, 2022Seats, Electrical system. This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust.
• 10212625Jan 11, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10213760Jan 10, 2022Brakes. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
• 10212588Jan 6, 2022Other or unknown, Engine cooling. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10213767Jan 4, 2022Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10213759Jan 4, 2022Fuel system. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 10213757Jan 4, 2022Tires. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
• 10212558Dec 17, 2021Engine, Equipment. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
• 10212566Dec 15, 2021Transmission and drivetrain. This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set.
• 10206718Dec 7, 2021Suspension. This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.
• 10207920Dec 6, 2021Air bags, Electronic stability control, Suspension. This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set.
• 10204463Nov 30, 2021Transmission and drivetrain. This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..
• 10204462Nov 30, 2021Equipment, Transmission and drivetrain, Electrical system. This Preliminary information communicates additional diagnostics for P1789.
• 10205571Nov 17, 2021Equipment. This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center console area.
• 10205548Nov 17, 2021Back-over prevention (rear camera), Equipment. 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.
• 10205537Nov 17, 2021Brakes. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
• 10205752Nov 16, 2021Equipment, Electrical system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp illuminated on the Driver Information Center (DIC) to determine root cause.
• 10205738Nov 8, 2021Tires, Wheels. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
• 10205539Nov 8, 2021Equipment, Engine cooling. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10204443Nov 8, 2021Suspension, Electronic stability control. This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.
• 10205737Nov 5, 2021Equipment. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
• 10205573Nov 5, 2021Visibility (wipers, defrost, mirrors), Equipment. This service bulletin provides information for dealers/technicians on an appearance concern with driver outside rearview mirror dimming.
• 10205567Nov 4, 2021Equipment, Engine, Electrical system. This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition.
• 10205749Nov 2, 2021Transmission and drivetrain. This engineering information (EI) is requesting dealership personnel that when it comes to the scheduled maintenance at 12,070 km (7500 mi), or within the first year of ownership, to send engineering the Dual Clutch Canister Transmission Filters for inspection after replacement.
• 10202389Sep 8, 2021Engine cooling. This Preliminary information communicates information on a No Crank / No Start concern caused by a No Fob Detected message caused by an internal fault of the BCM. Dealer is to replace the BCM to correct this concern.
• 10202388Sep 7, 2021Electrical system. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
• 10201332Aug 31, 2021Body and structure, Equipment. This Preliminary information communicates information to the dealership technician on how to resolve a cosmetic gap in the carpeting near the center console area.
• 10205043Aug 27, 2021Back-over prevention (rear camera). This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
• 10201331Aug 27, 2021Equipment, Transmission and drivetrain. This Preliminary information communicates request to have used filters returned for analysis.
• 10201322Aug 19, 2021Transmission and drivetrain, Electrical system. This Preliminary information communicates additional diagnostics for P1789.
• 10201316Aug 18, 2021Equipment, Electrical system. This Preliminary information communicates a possible SIM issue with vehicles in the middle east.
• 10205059Aug 6, 2021Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10205048Aug 6, 2021Engine. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10201257Jul 26, 2021Body and structure, Electrical system. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
• 10201246Jul 15, 2021Transmission and drivetrain, Equipment. This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..
• 10201184Jul 15, 2021Electrical system, Suspension. This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.
• 10201299Jun 30, 2021Electrical system. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
• 10200129Jun 29, 2021Engine cooling. This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and Malfunction Indicator Lamp (MIL) Illuminated.
• 10200149Jun 28, 2021Visibility (wipers, defrost, mirrors), Equipment. This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.
• 10200151Jun 21, 2021Exterior lighting, Equipment. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10200154Jun 15, 2021Transmission and drivetrain, Equipment. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 10200163Jun 10, 2021Exterior lighting. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling.
• 10200137Jun 10, 2021Other or unknown. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 10200181Jun 9, 2021Equipment, Electrical system. Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Dealers will reprogram the radio.
• 10201270Jun 8, 2021Transmission and drivetrain. This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is no longer on restriction with the supplier for early root cause analysis.
• 10200152Jun 7, 2021Equipment, Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

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