Service bulletins for the 2023 Chevrolet Corvette
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
652 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 23-NA-219 | 2023-12-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. |
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| PIT5985C | 2023-12-18. Service bulletin. POWER TRAIN. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update. |
| PIT5832K | 2023-12-18. Service bulletin. POWER TRAIN. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIT6084 | 2023-12-18. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will still be alerted to an approaching vehicle by the seat vibration. Dealers are advised that engineering is working on a resolution and it will be available by the end of 2023. |
| 20-NA-132 | 2023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. |
| 20-NA-018 | 2023-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). |
| 23-NA-115 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides a procedure to verify the noise and align the camshaft caps to correct customer concerns of a Ticking, Tapping or Snapping Noise from Engine. |
| PIE0767 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to a noise heard coming from the transmission area. |
| 23-NA-206 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages. |
| 23-NA-176 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where they will determine trans replacement or vehicle repair to correct customer concerns of a Dead Battery, No Start, and/or Vehicle Will Not Shut Down. |
| PIC6524 | 2023-12-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communicates direction for the dealership technician or the customer to reset the personalization option in the IPC for the different IPC themes. |
| 23-NA-156 | 2023-11-30. Service bulletin. POWER TRAIN. This service bulletin informs the technician on the running changes to the M1L automatic transmission. |
| 23-NA-139 | 2023-11-29. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the transmission to correct customer concerns of a Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated. |
| 21-NA-135 | 2023-11-29. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. |
| 21-NA-049 | 2023-11-29. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns. |
| 17-NA-087 | 2023-11-29. Service bulletin. WHEELS; STEERING; SUSPENSION. This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. |
| 23-NA-200 | 2023-11-22. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides diagnostic aid information for technicians for Misfire Diagnostics Displaying Incorrect Cylinders for Certain OBD Monitors Reported in Mode 6. |
| 23-NA-178 | 2023-11-22. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING. This service bulletin provides a procedure to look for a possible location of engine wiring harness contact and to repair a necessary to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated. |
| 17-NA-078 | 2023-11-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. |
| 17-NA-040 | 2023-11-22. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. |
| 16-NA-059 | 2023-11-22. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper. |
| 03-00-91-001I | 2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. 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. |
| 22-NA-173 | 2023-11-15. Service bulletin. POWER TRAIN. This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks. |
| 20-NA-159 | 2023-11-15. Service bulletin. WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). |
| 23-NA-189 | 2023-11-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.