NHTSA campaign 18V231000 · Manufacturer campaign U27
Jeep Recall 18V-231: Left Rear Frame Section may Corrode
NHTSA recall 18V231000 (Manufacturer campaign U27) was reported by Chrysler (FCA US LLC) on April 12, 2018, with 106 vehicles potentially affected (per NHTSA). NHTSA's record lists the Jeep Wrangler for the 2018 model year. Owners were notified on September 11, 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 18V231000 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.
Jeep VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 18V231000 (also written 18V-231 or 18V231)
- Filed by
- Chrysler (FCA US LLC)
- Manufacturer campaign number
- U27
- Report received
- Potentially affected
- 106 vehicles (per NHTSA)
- Component
- Structure — Frame and Members
- Owners notified
Repair completion: 79.05% (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 18V231000. 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.
Jeep
Jeep Wrangler
- 2018 · Vehicles built October 15, 2017 – October 16, 2017 (per NHTSA)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 18V231000.
Defect description
Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler vehicles. The rear under body ladder rail may corrode, possibly reducing the strength of the rear floor pan and causing the left rear seat mount to become loose.
Safety consequence
If the floor pan strength is reduced and/or the rear seat mount becomes loose, the rear seat may detach in a crash, increasing the risk of injury.
Manufacturer remedy
Chrysler will notify owners, and dealers will inspect and, as necessary, coat the interior and exterior of the driver's side rear underbody ladder rail with three-part rust protection. The recall began September 11, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U27.
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 18V231000
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.