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Kenworth hvac controls may have insufficient soldering between the potentiometer(s) and the pcba board, resulting in windshield defrost failure.

NHTSA campaign 21V-546 · Reported July 20, 2021 · 6,916 vehicles affected

AFFECTED MODELS
Kenworth T680, T880 and W900
VEHICLES AFFECTED
6,916
REMEDY
Dealers will replace HVAC control head, free of charge.
COST
Free

The short version

PACCAR Incorporated reported a problem with the visibility defroster/defogger/hvac system. Here is what owners need to know.

WHAT

The HVAC controls may have insufficient soldering between the potentiometer(s) and the PCBA board, resulting in windshield defrost failure.

WHY IT MATTERS

Inoperative windshield defrost may reduce driver visibility, increasing the risk of a crash.

WHAT TO DO

Take it to a dealer — they will replace HVAC control head, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 21V-546.

YEAR RANGEMODEL
2022Kenworth T680
2022Kenworth T880
2022Kenworth W900

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with PACCAR Incorporated or the National Highway Traffic Safety Administration.