GM diesel transmission control valves may fail and lock rear wheels

Plain-English summary

General Motors, LLC is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500 and 3500, GMC Sierra 1500, 2500 and 3500, and 2021 Cadillac Escalade and Escalade ESV, Chevrolet Tahoe and Suburban, and GMC Yukon and Yukon XL vehicles equipped with diesel engines, under NHTSA campaign number 24V797000. The potential number of units affected is 463,295.

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

Dealers will install new transmission control module software free of charge. GM will provide a special coverage program to cover the repair of transmissions identified by the remedy software.

Owners may contact the relevant GM brand customer service using the details in the NHTSA recall record.

The recalled product

Product

CHEVROLET, GMC, CADILLAC SILVERADO 1500, SIERRA 3500, SILVERADO 3500, SUBURBAN

Brand

CHEVROLET

Manufacturer

General Motors, LLC

Category

Vehicle — Pickup truck

Hazard

• transmission-control-valve
• wheel-lock-up
• loss-of-control
• structural-defect

Affected units

463,295

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Distribution

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