2014 Kenworth K300 problems, complaints & recalls
Safety recalls (2)
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).
Electrical System:12v/24v/48v Battery 2014-01-24 · campaign 14V014000 · 828 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2012 through 2014 model year Kenworth K300 and Peterbilt 210 and 220 chassis equipped with Sure Power-brand battery equalizers or DC-DC converters containing a particular epoxy sealing, aka 'potting', compound. The specific potting compound used in the subject products for electrical insulation was found to be capable of conducting electricity after being exposed to heat.
Risk: If the potting compound is exposed to heat and conducts electricity, there is an increased risk of a vehicle fire and personal injury.
Fix: PACCAR will notify owners, and dealers will replace the defective component with a new battery equalizer or DC-DC converter, free of charge. The recall began on March 31, 2014. Customers may contact PACCAR at 1-425-468-7400. Kenworth's number for this recall is 14KWD. Peterbilt's number for this recall is 1213J.
Service bulletins (11)
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 – 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.
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.
Equipment 2020-03-17 · 32-016 · Service Bulletin/Repair Instructions
information only: proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Vehicle Speed Control 2020-03-03 · 34-085 · Service Bulletin/Repair Instructions
information only – vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
Showing the 6 most recent of 11 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.