WenmarOpen by Wenmar Pro

Service bulletins for the 2020 Chevrolet Silverado

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.

2120 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Wheels are shown. Show all

Bulletins, newest first
17-NA-0522022-04-05. Service bulletin. WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).
PIT58942022-03-14. Service bulletin. TIRES; SUSPENSION; WHEELS. This Preliminary information communicates Some customers may comment on a vibration while driving. The cause of the condition may be that the wheel and tire assemblies require Road Force balance. Please open a Tac case and provide the following information. Check the valve stems are they pointing at each other (lined up)? What wheels is the vehicle equipped with steel or Aluminum? What brand are the tires goodyear or Continental?s? Then follow bulletin 21-NA-270 for repair information
PIT3271L2022-03-14. Service bulletin. WHEELS; TIRES. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
030310007K2022-01-03. Service bulletin. TIRES; WHEELS. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
PIP5646D2021-12-13. Service bulletin. WHEELS; ELECTRICAL SYSTEM; POWER TRAIN. This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
PIP5806A2021-09-13. Service bulletin. BACK OVER PREVENTION; WHEELS. This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft.
100310001F2021-05-03. Service bulletin. WHEELS. This informational bulletin provides information on Wheel Balancer Mounting Instructions.
000310002L2020-12-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; WHEELS. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
PIT3271K2020-12-14. Service bulletin. WHEELS; TIRES. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIP57532020-10-19. Service bulletin. WHEELS; PARKING BRAKE. PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set.
N1922724002020-06-29. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION; WHEELS. Customer Satisfaction Program - Certain 2019-2020 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with an 8-Speed Automatic Transmission, may have a condition where the rear wheels will lock up at low speeds. An intermittent short circuit is being caused by wire bonds moving under high current and thermal load, making contact with adjacent wire(s) in the transmission control module (TCM). Dealers will replace the TCM.
N2022949602020-06-29. Service bulletin. SUSPENSION; WHEELS. Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring were to be replaced, a 2500 series spring could be installed which would cause the vehicle to have mismatching springs. Dealers are to replace with the correct rear leaf springs.
050307009J2020-04-06. Service bulletin. EQUIPMENT; WHEELS. This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
050307009I2020-03-09. Service bulletin. WHEELS; EQUIPMENT. This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
20NA0222020-03-09. Service bulletin. BACK OVER PREVENTION; WHEELS. This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
N192285970-012020-02-18. Service bulletin. WHEELS. Service Update (Revised Service Procedure). Certain trucks may have lug nuts that are not tightened to specification. This condition may cause the wheel assembly to separate from the vehicle. Dealers will remove and reinstall all four wheels, torquing all lug nuts to spec.
N1922859702020-02-18. Service bulletin. WHEELS. Service Update. Certain trucks may have lug nuts that are not tightened to specification. This condition may cause the wheel assembly to separate from the vehicle. Dealers will remove and reinstall all four wheels, torquing all lug nuts to spec.
PIP5646C2020-02-10. Service bulletin. WHEELS. This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
080310006G2019-12-16. Service bulletin. EQUIPMENT; TIRES; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
PIP5646B2019-10-15. Service bulletin. WHEELS. This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
100310001E2019-09-23. Service bulletin. WHEELS. This informational bulletin provides information on Wheel Balancer Mounting Instructions.
19NA0742019-07-29. Service bulletin. WHEELS. This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.