General Motors (GM) has initiated a significant recall affecting over 460,000 vehicles, including popular models like the Chevrolet Silverado, GMC Sierra, and various SUVs. Approximately 1% of these vehicles—or 4,618 units—are estimated to be directly impacted by a rear wheel lock-up issue. Here’s everything you need to know about the recall, its causes, and how to address it.
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What Vehicles Are Affected by the GM Recall?
The recall includes select 2020-2022 Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 models, as well as 2021 Cadillac Escalade, Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, and GMC Yukon XL vehicles. Notably, only models with diesel engines paired with a 10-speed automatic transmission are affected. Vehicles equipped with gasoline engines, which use a different transmission, are not included in the recall.
List of Impacted Models:
- Chevrolet: 2020-2022 Silverado 1500, 2500, 3500; 2021 Tahoe and Suburban
- GMC: 2020-2022 Sierra 1500, 2500, 3500; 2021 Yukon and Yukon XL
- Cadillac: 2021 Escalade and Escalade ESV
What Causes the Rear Wheel Lock-Up Issue?
The problem stems from wear in the transmission control valve, which can gradually degrade over time. This wear may cause a loss of pressure within the transmission, leading to harsh shifting and, in rare cases, momentary rear wheel lock-up.
Key Symptoms to Watch For:
- Harsh gear shifting, particularly during downshifts
- Momentary locking of rear wheels
- Service engine warning light on the dashboard
- Reduced propulsion message displayed on the instrument panel
According to the National Highway Traffic Safety Administration (NHTSA), the issue was first reported on June 5, 2024, via GM’s “Speak Up for Safety” program. A customer noted a rear wheel lock-up while towing a trailer, resulting in property damage.
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How Is GM Addressing the Problem?
To fix the issue, GM will provide affected vehicles with a free software update at authorized dealerships. This updated transmission control software will:
- Monitor the transmission control valve for excessive wear.
- Detect potential issues up to 10,000 miles before wheel lock-up occurs.
- Limit the transmission to the fifth gear if excessive wear is identified, preventing rear wheel lock-up during downshifts from the eighth gear.
GM will also cover the cost of any necessary transmission repairs under its warranty for vehicles with a faulty control valve.
Steps for Affected Owners
If you suspect your vehicle is part of this recall, follow these steps to ensure safety and proper resolution:
- Check Your VIN: Use the GM Owner Center website or the NHTSA’s recall lookup tool to see if your vehicle is impacted. Enter your Vehicle Identification Number (VIN) for confirmation.
- Schedule a Dealer Appointment: If your vehicle is affected, contact your local GM dealership to arrange a free software update.
- Monitor for Symptoms: Pay attention to any signs of harsh shifting, momentary wheel lock-up, or dashboard warning lights. Report these to your dealer immediately.
- Follow-up: After receiving the software update, keep an eye on your vehicle’s performance. If issues persist, reach out to your dealership for further assistance.
- Stay Informed: Watch for additional communications from GM regarding the recall, including any updates or further instructions.
What You Should Know About Lemon Law Assistance
If you’ve experienced ongoing issues with your vehicle related to this recall, you may qualify for compensation under lemon law protections. The Lemon Law Experts have extensive experience assisting GM owners with unresolved defects, including transmission issues and related recalls.
How Lemon Law Experts Can Help:
- Secure necessary repairs, a replacement vehicle, or a refund
- Negotiate cash compensation for persistent vehicle defects
Since 2009, Lemon Law Experts have recovered substantial settlements for consumers facing vehicle defects. Contact their team for a free, no-obligation consultation to explore your legal options.
Important Dates to Remember
- Owner Notifications: GM plans to mail notification letters to affected vehicle owners starting December 9, 2024.
- Recalls and Repairs: Schedule your dealership appointment promptly after receiving your notification or confirming your VIN status.
By staying proactive, you can ensure your vehicle is safe to drive and that any defects are addressed effectively. For more information on the recall, visit the GM Owner Center website or consult with your dealership.
For additional assistance with lemon law claims, reach out to the Lemon Law Experts today and take the first step toward resolving your vehicle issues.
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