Service bulletins for the 2020 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.
924 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIC6403B | 2020-06-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette. |
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| PIP5709A | 2020-06-15. Service bulletin. POWER TRAIN. This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis. |
| PIT5411T | 2020-06-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance. |
| PI0281H | 2020-06-01. Service bulletin. STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. |
| 060089029R | 2020-06-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. |
| 060089029Q | 2020-06-01. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. |
| 000310003Z | 2020-06-01. Service bulletin. TIRES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). |
| 20NA091 | 2020-05-26. Service bulletin. STEERING; WHEELS; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on power seat, power mirrors and steering wheel entry/exit memory recall settings intermittently inoperative. |
| PIC6384B | 2020-05-11. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. |
| PIC6407A | 2020-05-11. Service bulletin. EQUIPMENT. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. |
| PIP5723 | 2020-05-11. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates Some customers may comment on a hiss or vacuum leak noise coming from the engine compartment during normal engine operation. Or upon inspection technician may notice the hiss or vacuum leak noise coming from the foul air PCV tube to intake connection. This condition is caused by normal air flow through the PCV tube |
| N202302840 | 2020-05-11. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a fender mounting bolt that is too long, and could come in contact with the door. Dealers will inspect and replace the fender mounting bolt if necessary. |
| 990089019S | 2020-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. |
| 100089005I | 2020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL. This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. |
| 070089037O | 2020-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. |
| 060089026P | 2020-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. |
| 050310020G | 2020-04-27. Service bulletin. TIRES. This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. |
| 020089002S | 2020-04-27. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). |
| 20NA075 | 2020-04-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES; EQUIPMENT. This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History. |
| 20NA042 | 2020-04-27. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides a procedure to correct a Condition of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. |
| 20NA061 | 2020-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin is to introduce the all new 2020 Chevrolet Corvette and provide an overview to help the Service Department Personnel become familiar with the engine, transmission, brake system and some of the other vehicle systems. |
| PIC6381B | 2020-04-13. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. This Preliminary information communicates a parts restriction is in place for the Suspension Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. |
| PIC6409 | 2020-04-13. Service bulletin. SUSPENSION; EQUIPMENT. This PI communicates a parts restriction is in effect on 2020 Chevrolet Corvette Leveling Control Module. |
| PIC6383B | 2020-04-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020 Cadillac CT4,CT5 and Chevrolet Corvette. . |
| PIC6407 | 2020-04-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.