The 2003 Kenworth T800 has 7 NHTSA recall campaigns affecting an estimated 15,236 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the exterior lighting. Last updated July 5, 2026.
Recall campaigns
POWER TRAIN07V1070002007-03-164,592 affected
Defect
ON CERTAIN TRUCKS, THE WIRING, PARTS, OR TRANSMISSION PROGRAMMING REQUIRED FOR THE AUTO NEUTRAL FEATURE TO FUNCTION AS DESIGNED WERE EITHER NOT INSTALLED, CONNECTED, OR PROGRAMMED PROPERLY.
Consequence
IF ANY OF THESE CONDITIONS EXISTS, THE TRANSMISSION WILL NOT AUTOMATICALLY SHIFT INTO NEUTRAL WHEN LEFT IN DRIVE WITH THE PARKING BRAKE SET ENGAGED. THE VEHICLE COULD MOVE WITHOUT WARNING INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL INSPECT THE AFFECTED VEHICLES TO ENSURE THE AUTO NEUTRAL FEATURE FUNCTIONS PROPERLY AND, IF NEEDED, WILL MAKE THE NECESSARY REPAIRS FREE OF CHARGE. THE RECALL BEGAN ON MAY 9, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.
ELECTRICAL SYSTEM04V1740002004-04-1225 affected
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…
Consequence
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.
Remedy
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.
ELECTRICAL SYSTEM03V2850002003-08-05117 affected
Defect
ON CERTAIN HEAVY DUTY TRUCKS, THE MAIN CAB WIRING HARNESS WAS INCORRECTLY CONNECTED TO THE 50 AMP CIRCUIT BREAKER INSTEAD OF THE 135 AMP BREAKER.
Remedy
DEALERS WILL INSPECT THE VEHICLES AND THE WIRING WILL BE CORRECTED IF NECESSARY. OWNER NOTIFICATION BEGAN SEPTEMBER 16, 2003. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.
UNKNOWN OR OTHER03V2340002003-07-0184 affected
Defect
ON CERTAIN HEAVY DUTY TRUCKS EQUIPPED WITH VERTICAL TAIL PIPES, THE FRAME ACCESS GRABHANDLE IS MOUNTED TOO HIGH.
Consequence
THIS CONDITION COULD CAUSE A PERSON TO SLIP AND/OR FALL AND COULD LEAD TO PERSONAL INJURY.
Remedy
DEALERS WILL INSPECT THE GRABHANDLE LOCATION AND IF DETERMINED TO BE MOUNTED TOO HIGH, THE HANDLE WILL BE RELOCATED TO THE PROPER HEIGHT. OWNER NOTIFICATION BEGAN JULY 29, 2003. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440.
TRAILER HITCHES03V1680002003-05-05483 affected
Defect
ON CERTAIN TRUCKS EQUIPPED WITH JOST INTERNATIONAL JSK 37U SERIES FIFTH WHEELS, A FATIGUE CRACK CAN DEVELOP IN THE BRACKET PIN WELD UNDER CERTAIN LOADING CONDITIONS.
Consequence
IF LEFT UNDETECTED OR CORRECTED IT COULD LEAD TO THE SEPARATION OF THE FIFTH WHEEL TOP PLATE FROM ITS MOUNTING STRUCTURE, POSSIBLY RESULTING IN A CRASH.
Remedy
DEALERS WILL REPLACE THE BRACKET PINS AND REPAIR INSTRUCTIONS FREE OF CHARGE. PETERBILT'S OWNER NOTIFICATION BEGAN JUNE 20, 2003. KENWORTH'S OWNER NOTIFICATION BEGAN JUNE 12, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A…
SERVICE BRAKES, AIR03V1260002003-03-3145 affected
Defect
CERTAIN TRUCKS EQUIPPED WITH MERITOR P 18X7 BRAKES WITH 36" BRAKE CHAMBERS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NO. 121, "AIR BRAKE SYSTEMS." THESE TRUCKS WERE MANUFACTURED WITH A COMBINED AIR RESERVOIR VOLUME LESS THAN 12 TIMES THE COMBINED VOLUME OF ALL SERVICE…
Consequence
THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.
Remedy
DEALERS WILL ADD AN ADDITIONAL TANK OR CHANGE ONE OF THE EXISTING AIR TANKS TO A LARGER SIZE. OWNER NOTIFICATION BEGAN ON MAY 5, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KENWORTH AT…
CERTAIN TRUCKS EQUIPPED WITH TRAILER CONNECTIONS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARDS (FMVSS) NO. 121, "AIR BRAKE SYSTEMS," AND NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE SUPPLIER REMOVED A RUBBER GROMMET FROM THE TRAILER LIGHT LINE CONNECTOR. THE…
Consequence
THIS COULD CAUSE AN ELECTRICAL SHORT AND/OR POSSIBLE FIRE HAZARD.
Remedy
DEALERS WILL INSTALL THE MISSING GROMMET ON ALL AFFECTED CHASSIS. IF A CONNECTOR IS FOUND DEFECTIVE, IT WILL BE REPLACED WITH A NEW CONNECTOR. OWNER NOTIFICATION IS BEGAN ON MARCH 14, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY…
Complaints by component
EXTERIOR LIGHTING:HEADLIGHTS
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“While driving at night the headlights shut off without warning. This forced the driver to pull off the road, because lack of visibility. Consumer contacted the dealership, and mechanic determined headlight wiring melted.*ak”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2003 Kenworth T800 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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