2003–2004 Kenworth T600, 2003–2004 Kenworth T800, 2003–2004 Kenworth W900 Recall: CERTAIN TRUCKS EQUIPPED WITH EATON FULLER ULTRASONIC TRANSMISSIONS FAIL TO…
NHTSA campaign 04V174000 · Electrical System · filed Apr 12, 2004 · verified Sep 13, 2026
The defect
CERTAIN TRUCKS EQUIPPED WITH EATON FULLER ULTRASONIC TRANSMISSIONS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE, STARTER INTERLOCK AND TRANSMISSION BRAKING EFFECT." THE CAB TRANSMISSION HARNESS COULD HAVE BEEN INCORRECTLY WIRED DURING PRODUCTION INSTALLATION.
The risk
THIS COULD CAUSE THE NEUTRAL START FEATURE OF THE TRANSMISSION TO DISABLE ALLOWING THE VEHICLE TO START IN GEAR INCREASING THE POTENTIAL FOR A CRASH.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DEALERS WILL REPAIR THE CONNECTIONS IN THE WIRING HARNESS IF NECESSARY. OWNER NOTIFICATION BEGAN ON MAY 7, 2004. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.
KENWORTH RECALL NO. 04KW1.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Affected vehicles
Related recalls
More Kenworth T600 recalls
- 2017–2019 Kenworth C500 and 12 other models — In certain driving conditions, such as on a long down-hill…
- 2013 Kenworth T400 and 4 other models — Cap screws securing the main driveline to the forward rear…
- 2007–2011 Kenworth C500 and 5 other models — Engine and Engine Cooling
- 2007–2008 Kenworth T2000 and 12 other models — Power Train
- 2004–2009 Kenworth T2000 and 4 other models — Service Brakes, Air
Other campaigns involving Kenworth vehicles
Source: NHTSA recall database, campaign 04V174000 (manufacturer number 04KW1). Data last verified Sep 13, 2026.