2004 Kenworth T800 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 2004 Kenworth T800, 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
- Driver assistance150.0%
- Electrical150.0%
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
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
SUDDEN FULL UNCONTROLLED ACCELERATION BROUGHT ON BY A REAR END COLLISION WHILE MY VEHICLE WAS STOPPED IN TRAFFIC. DUMP TRUCK WITH ALLISON AUTOMATIC TRANSMISSION. TRANSMISSION TOWER BUTTONS WERE UNRESPONSIVE AND TRUCK WAS ESTIMATED BY WITNESS TO JUMP TO ALMOST IMMEDIATE 60 PLUS. DID NOT STOP UNTIL KEY WAS REMOVED. VIRGINIA DOT INSPECTION APPROX. 2 HOURS LATER FOUND NO PROBLEM AND TRUCK RESPONDED NORMALLY(EXCEPT FOR ACCIDENT DAMAGE) AFTER IT WAS RESTARTED. THERE WAS A SUDDEN SURGE IN THE ENGINE FOR APPROX. 2-3 SECONDS AFTER I WAS REAR ENDED AND THERE WERE NO PRIOR PROBLEMS. *NM
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
TL*THE CONTACT OWNS A 2004 KENWORTH T800B TRUCK. THE CONTACT STATED THE GEAR WAS IN THE PARK POSITION WITH THE ENGINE IN OPERATION WHEN SHE EXITED THE VEHICLE. THE CONTACT NOTICED FLAMES EMITTING FROM THE INSTRUMENT PANEL UPON ENTERING THE VEHICLE. THE FIRE DEPARTMENT EXTINGUISHED THE FLAMES. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER. THE CAUSE OF FAILURE WAS NOT DETERMINED. THERE WAS A NHTSA RECALL RELATED TO THE DEFECT, CAMPAIGN 04V580000(ELECTRICAL SYSTEM:WIRING). THE VIN WAS NOT INCLUDED IN THE RECALL. THE FAILURE MILEAGE WAS APPROXIMATELY 240,000.
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 .