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2021 Chevrolet Silverado 1500 Transmission Problems

From NHTSA owner complaints and recalls. Updated Oct 17, 2026.

How common are transmission problems on the 2021 Chevrolet Silverado 1500?

242 owners have reported transmission problems on the 2021 Chevrolet Silverado 1500, 29% of all complaints for this year and the 2nd most reported problem area. Most reported problems happened at about 34,000–103,000 miles. 2 recalls cover this area.

242 complaints 29% of all 2021 complaints 64,000 miles typical

Which parts fail

The specific part named in each complaint.

Control module (TCM / PCM / TECM) 2
Seals / gaskets 1
Differential unit 1
Torque converter 1
Automatic transmission 1

Mileage when it failed

Each dot is a complaint that gave a mileage (44 of 242). The amber line is the middle value.

When problems were reported

Transmission complaints by the year the problem happened.

Transmission complaints by Silverado 1500 year

2008 Silverado 1500 25
2009 Silverado 1500 12
2010 Silverado 1500 24
2011 Silverado 1500 17
2012 Silverado 1500 10
2013 Silverado 1500 13
2021 Silverado 1500 242
2024 Silverado 1500 95
2025 Silverado 1500 21
2026 Silverado 1500 22

Related recalls

Transmission valve can lock rear wheels

Crash risk

The transmission control valve may fail, causing the rear wheels to lock up while driving. Sudden rear wheel lock-up raises the risk of losing control and crashing.

Fix: The dealer will inspect your vehicle and update the transmission control software at no cost to you.

Recall 26V083000 · Feb 2026

Valves / valve body, Software

The transmission control valve may fail and cause the rear wheels to lock-up. Rear wheel lock-up can increase the risk of a crash.

Fix: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve.

Recall 24V797000 · Oct 2024
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Other 2021 Chevrolet Silverado 1500 problems

Common questions

What are common 2021 Chevrolet Silverado 1500 transmission problems?

Complaints most often name the control module (TCM / PCM / TECM), seals / gaskets and differential unit.

At what mileage do 2021 Chevrolet Silverado 1500 transmission problems happen?

Most complaints that gave a mileage fell between about 34,000–103,000 miles. The middle value is about 64,000 miles.

Is there a recall for 2021 Chevrolet Silverado 1500 transmission problems?

Yes: 26V083000, 24V797000. Check your VIN at nhtsa.gov/recalls to see if the work was done.

Which Silverado 1500 year has the most transmission complaints?

The 2019 Silverado 1500, with 329 complaints.

Source: NHTSA complaints and recalls databases. Complaints are unverified owner reports.