Recall 21V578 covers 86 2020-2021 Silverado 2500 and Sierra 2500 trucks because the spare tire can disable ABS. Free repair at a franchised Chevrolet dealer.
Chevrolet is recalling 86 2020-2021 Silverado 2500 and Sierra 2500 trucks equipped with a 17-inch spare tire and certain 18-inch or 20-inch accessory road tires. Using that spare with the road tires can keep ABS from engaging, increasing crash risk; Chevrolet dealers will complete the recall repair free of charge.
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What's wrong?
The temporary spare tire on these Silverado 2500 and Sierra 2500 trucks is meant to get the truck to service after a flat. On affected trucks, the spare is a 17-inch tire used with certain 18-inch or 20-inch accessory road tires. The Anti-Lock Braking System, or ABS, helps keep the wheels from locking during hard braking.
The problem is the tire size mix. The 17-inch spare turns at a different rate than the larger road tires, measured as revolutions per kilometer. When that spare and one of the larger road tires are installed together on the rear axle, the rear differential keeps the rear tires from rotating independently. That tire-speed conflict can stop ABS from engaging when braking force is high.
There is no warning sign before failure. The truck can drive normally with the spare installed, so the issue is the tire combination itself, not a noise, light, or pedal feel you can count on noticing.
Who's affected?
Covers the Silverado 2500 and Sierra 2500 for the 2020 and 2021 model years, all tied to the same 17" temporary spare tire.
| 2020 Chevrolet Silverado 2500 | tire |
|---|---|
| 2021 Chevrolet Silverado 2500 | tire |
| 2021 GMC Sierra 2500 | tire |
| 2020 GMC Sierra 2500 | tire |
| Units affected | 86 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific pickup truck is included.
What's the safety risk?
When the ABS cannot control the rear wheels independently, braking control is reduced and the risk of a crash increases. Drive cautiously, leave extra stopping room, and schedule the recall repair soon. Repair is free at any franchised Chevrolet dealer.
What should I do?
- Check your VIN to confirm your 2020-2021 Chevrolet Silverado 2500 or GMC Sierra 2500 is included in this recall.
- Contact a franchised Chevrolet dealer to schedule the free spare-tire and label repair that helps the ABS work correctly with the spare installed.
- Bring the recall notice if Chevrolet mailed one. If not, reference recall number 21V578 when you call.
- Avoid using the spare tire until the dealer confirms the truck has the correct spare tire and spare tire information label.
What happens at the repair
At the dealer, a Chevrolet technician installs the correct spare tire for the vehicle's tire package and applies a new spare tire information label. Parts and labor are covered under the recall, and the repair is available now. Chevrolet states the covered vehicles are under warranty, so there is no separate reimbursement program for this campaign. If you have prior repair paperwork, ask the service desk how warranty coverage applies.
| Reimbursement | Warranty coverage applies |
|---|
Timeline
| July 29, 2021 | NHTSA published the recall |
|---|---|
| July 29, 2021 | Dealer notification began |
| July 29, 2021 | Dealer notification ended |
| September 13, 2021 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| September 13, 2021 | Interim owner notification (was planned for this date) |
| October 18, 2021 | Owner notification mailed |
Frequently asked questions
What is recall 21V578?
Recall 21V578 covers 86 2020-2021 Chevrolet Silverado 2500 and GMC Sierra 2500 trucks equipped with a 17-inch spare tire and certain 20-inch or 18-inch accessory road tires. Using that spare with the road tires can keep ABS from engaging, increasing crash risk. Dealers will replace the spare tire and label for free.
What should I do if my 2020-2021 Chevrolet Silverado 2500 or GMC Sierra 2500 is on this recall?
Check your VIN to confirm your specific truck is included in recall 21V578. If it is, contact a franchised dealer to schedule the correct spare tire and new spare tire information label. Reference recall number 21V578 when you call. The repair is free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. For recall 21V578, dealers will provide the correct spare tire and apply a new spare tire information label free of charge.
What is the safety risk?
The risk is reduced ABS control when the wrong spare tire is used with the larger road tires. If ABS cannot control the rear wheels independently, crash risk increases. Use the VIN check first, then ask the dealer whether your truck needs the spare tire and label replacement.
What if I bought this truck used?
The free recall repair still applies. Recall coverage follows the VIN, not the first owner. If you never received the owner letter mailed on October 18, 2021, check your VIN and reference recall 21V578 when you contact the dealer.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/21V578000 |
|---|---|
| Chevrolet customer service | 1-800-222-1020 |
| NHTSA recall # | 21V578 |
| NHTSA recall # (full) | 21V578000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Quarterly Report (PDF)
- Download Recall Report (PDF)
- Download Misc. Document (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →