The problem
General Motors LLC (GM ) is recalling certain model year 2014 Chevrolet Silverado Light Duty Regular Cab, Double Cab, and Crew Cab 1500 series and model year 2015 Suburban and Tahoe; GMC model year 2014 Sierra Regular Cab, Double Cab, and Crew Cab 1500 Series and model year 2015 Yukon and Yukon XL vehicles equipped with a 6-Speed Automatic Transmission (feature code MYC). The subject vehicles may have a transmission oil cooler line that is not securely seated in the fitting.
The risk
If the line is not securely seated and transmission oil leaks from the fitting, the oil could contact a hot surface and cause a vehicle fire.
The fix
GM will notify owners, and dealers will inspect the transmission oil cooler line connection and repair the vehicles, as needed, free of charge. The recall began on May 19, 2014. Owners may contact Chevrolet at 1-866-694-6546 or GMC owners may contact GMC at 1-866-996-9463. GM's number for this recall is 14121.
Recall details
| NHTSA campaign | 14V-152 (14V152000) |
|---|---|
| Manufacturer number | 14121 |
| Manufacturer | General Motors, LLC |
| Component | Power train › Automatic transmission › Cooling unit and lines |
| Report date | March 31, 2014 |
| Owners notified | May 19, 2014 |
| Vehicles affected | 489,936 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the transmission & drivetrain
Frequently asked questions
Is the recall 14V-152 repair free?
Yes. Chevrolet dealers will fix the problem at no cost: GM will notify owners, and dealers will inspect the transmission oil cooler line connection and repair the vehicles, as needed, free of charge. The recall began on May 19, 2014.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 489,936 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.