2015 Kenworth K300 problems, complaints & recalls
Safety recalls (2)
Vehicle Speed Control:cruise Control 2015-04-07 · campaign 15V206000 · 379 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2015-2016 Peterbilt 220 and Kenworth K300 trucks manufactured September 1, 2014, to March 30, 2015. Each time the cruise control speed decrease button is pressed, the vehicle speed will actually increase by one mile per hour.
Risk: If a driver is intending to slow down a vehicle but instead it inadvertently speeds up, there is an increased risk of a crash.
Fix: PACCAR will notify owners, and dealers will update the cab controller software, free of charge. The recall began on June 5, 2015. Owners may contact Peterbilt customer service at 1-940-591-4000, or Kenworth customer service at 1-425-828-5000. PACCAR's numbers for this recall are 415-E and 15KWC.
Electrical System 2014-07-21 · campaign 14V439000 · 1,966 vehicles
Defect: PACCAR Inc. (PACCAR) is recalling certain model year 2013-2015 Kenworth K300 and Peterbilt 210, 220, and 320 chassis manufactured March 14, 2012 to July 14, 2014. The affected vehicles may have loose fitting electrical connectors on the power distribution module which may cause the engine to shut off.
Risk: An unexpected engine shut down increases the risk of a crash.
Fix: PACCAR will notify owners, and dealers will install nylon tie straps to hold the connectors in place until the permanent remedy, a connection position device, becomes available. Both remedies will be provided free of charge. The recall began January 29, 2015. For more information, Peterbilt owners may call 1-940-591-4220 and Kenworth owners may call 1-425-828-5000. PACCAR's number for this recall is 14KWH (Kenworth), and 714-G (Peterbilt).
Service bulletins (12)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-09-11 · P001 · Service Bulletin/Repair Instructions
"kenworth: dealers should check the chassis list and sir weekly for vin changes. 2 chassis added to the chassis list. peterbilt: dealers should check the chassis list and sir weekly for vin changes. 10 chassis added to the chassis list."
Visibility:windshield Wiper/Washer 2021-02-10 · 02-160 · Service Bulletin/Repair Instructions
information only â windshield washer pumps have a high no trouble found rate. washer pumps may fail to spray due to a clogged filter.
Power Train 2020-12-18 · 26-037 · Service Bulletin/Repair Instructions
fix-as-fail - prior versions of eaton endurant transmission software may be prone to setting linear clutch actuator (lca) fault codes leading to possible lca hardware replacement.
Service Brakes 2020-07-29 · 13-054 · Service Bulletin/Repair Instructions
fix-as-fail - bendix new-gen lightweight steer axle drum brake spider cracking
Electrical System 2020-06-08 · 32-015 · Service Bulletin/Repair Instructions
information only: this bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Structure 2020-03-27 · 43-066 · Service Bulletin/Repair Instructions
def tank covers may become loose and potentially crack on vehicles built before october 2019 with def tank part number m86-6221-003**(tank-def medium assy) and m86-6222-003**(tank-def large, assy). resolution is to resolve the vibration on the tank cover by adding bottom tank washers.
Showing the 6 most recent of 12 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.