2003 Kenworth T600 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2003 Kenworth T600, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Airbags133.3%
- Brakes133.3%
- Electrical133.3%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
TL*THE CONTACT OWNS A 2003 KENWORTH T600. WHILE DRIVING 60MPH IN LIGHT RAIN, SNOW AND HEAVY WIND WEATHER CONDITIONS. THE STRONG WIND PUSHED THE VEHICLE OVER ONTO THE DRIVER SIDE, BEGIN SLIDING DOWN A HILL AND CRASHED INTO A DITCH. THE CONTACTS HEAD HIT THE STEERING WHEELS AND WAS CUT BY BROKEN GLASS. THE CONTACT WAS FORCED TO KICK THE PASSENGER FRONT WINDOW OUT TO ESCAPE FROM VEHICLE. A POLICE REPORT WAS FILED AND THE CONTACT WAS TAKEN TO THE HOSPITAL IN AN AMBULANCE. DURING THE CRASH, NONE OF THE AIR BAGS DEPLOYED. THE CONTACT IS AWARE OF THE SAFETY RISK WHEN AIR BAGS DO NOT DEPLOY. THE CURRENT MILEAGE WAS 76,241 AND THE FAILURE MILEAGE WAS 76,241.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
FAILURE OF JAKE BRAKES ON 2003 KENWORTH T-600. THE JAKE BRAKES ON MY KENWORTH FAILED TO COME ON. I DIRECTED IT TO THE KENWORTH DEALERSHIP IN CARLISLE, PA. WHO AFTER MANY HOURS OF DIAGNOSISING DETERMINED THAT THE JAKE BRAKES HAD FAILED BECAUSE A WIRE HAD COME LOOSE AT THE BACK OF THE AM/FM RADIO!!!! THE BRAKES CAN FAIL BECAUSE OF A LOOSE WIRE @ THE AM/FM RADIO. GOD HELP THE POOR SOUL IN FRONT OF THE TRUCK COMING DOWN A 6% GRADE RELYING ON HIS JAKES TO SLOW HIM DOWN WHICH FAIL BECAUSE OF A LOOSE WIRE BEHIND THE RADIO. NUT!*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
FAILURE OF JAKE BRAKES ON 2003 KENWORTH T-600. THE JAKE BRAKES ON MY KENWORTH FAILED TO COME ON. I DIRECTED IT TO THE KENWORTH DEALERSHIP IN CARLISLE, PA. WHO AFTER MANY HOURS OF DIAGNOSISING DETERMINED THAT THE JAKE BRAKES HAD FAILED BECAUSE A WIRE HAD COME LOOSE AT THE BACK OF THE AM/FM RADIO!!!! THE BRAKES CAN FAIL BECAUSE OF A LOOSE WIRE @ THE AM/FM RADIO. GOD HELP THE POOR SOUL IN FRONT OF THE TRUCK COMING DOWN A 6% GRADE RELYING ON HIS JAKES TO SLOW HIM DOWN WHICH FAIL BECAUSE OF A LOOSE WIRE BEHIND THE RADIO. NUT!*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .