NHTSA campaign 18V342000 · Manufacturer campaign 18178
Chevrolet Recall 18V-342: Seat Back Frame Joint Improperly Welded
NHTSA recall 18V342000 (Manufacturer campaign 18178) was reported by General Motors LLC on May 27, 2018, with 71 vehicles potentially affected (per NHTSA). NHTSA's record lists the Chevrolet Sonic for the 2018 model year. Owners were notified on June 28, 2018, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 18V342000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Chevrolet VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 18V342000 (also written 18V-342 or 18V342)
- Filed by
- General Motors LLC
- Manufacturer campaign number
- 18178
- Report received
- Potentially affected
- 71 vehicles (per NHTSA)
- Component
- Seats
- Owners notified
Repair completion: 80.28% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 18V342000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Chevrolet
Chevrolet Sonic
- 2018 · Vehicles built October 31, 2017 – November 22, 2017 (per NHTSA)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 18V342000.
Defect description
General Motors LLC (GM) is recalling certain 2018 Chevrolet Sonic vehicles. A joint in the driver's seat-back frame may not be properly welded, reducing the strength of the seat-back frame.
Safety consequence
In the event of a rear-impact crash, the seat-back may fail, increasing the risk of injury.
Manufacturer remedy
GM will notify owners, and dealers will replace the driver's seat-back, free of charge. The recall began June 28, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18178.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 18V342000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.