NHTSA campaign 21V546000 · Manufacturer campaign 21KWE
Kenworth Recall 21V-546: Windshield Defrost Failure
NHTSA recall 21V546000 (Manufacturer campaign 21KWE) was reported by PACCAR Incorporated on July 20, 2021, with 6,916 vehicles potentially affected (per NHTSA). NHTSA's record lists the Kenworth T680, Kenworth T880 and Kenworth W900 for the 2022 model year. Owners were notified on June 14, 2022, 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 21V546000 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.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V546000 (also written 21V-546 or 21V546)
- Filed by
- PACCAR Incorporated
- Manufacturer campaign number
- 21KWE
- Report received
- Potentially affected
- 6,916 vehicles (per NHTSA)
- Component
- Visibility — Defroster/Defogger/HVAC System
- Owners notified
Repair completion: 70.98% (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 21V546000. 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.
Kenworth
All Kenworth recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 21V546000.
Defect description
PACCAR Incorporated (PACCAR) is recalling certain 2022 Kenworth T680, T880, and W990 vehicles. The HVAC controls may have insufficient soldering between the potentiometer(s) and the PCBA board, resulting in windshield defrost failure.
Safety consequence
Inoperative windshield defrost may reduce driver visibility, increasing the risk of a crash.
Manufacturer remedy
Dealers will replace HVAC control head, free of charge. Interim owner notification letters were mailed on September 17, 2021. Remedy parts are expected to be available mid-June, 2022. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth). PACCAR's number for this recall is 21KWE.
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.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V546000
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.