2023 Kenworth K370 problems, complaints & recalls
Safety recalls (3)
Electrical System:propulsion System 2025-03-24 · campaign 25V182000 · 211 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2021-2026 Peterbilt 220, 2022-2026 Kenworth K370, and 2020-2026 K270 Medium-Duty Battery Electric Vehicles. The cradle harness may have a loose electrical connection that can cause a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will inspect and replace the cradle harness as necessary, free of charge. Owner letters were mailed September 8, 2025. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's numbers for this recall are 25KWD and 25PBD.
Power Train:driveline:driveshaft 2023-09-05 · campaign 23V616000 · 21 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2023 Kenworth K270, K370, and Peterbilt 220 trucks. The driveshafts can break under certain loading conditions.
Risk: A broken driveshaft can separate and cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will replace the driveshafts, free of charge. Owner notification letters were mailed November 16, 2023. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWG and 23PBG.
Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm) 2022-08-17 · campaign 22V631000 · 1,601 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2023 Peterbilt 220, 389, 520, 536, 537, 348, 367, 567, 548, 579, and 2023 Kenworth T680, K270, T440, T880, W990, K370, T280, T380, T480, T800, and W900 vehicles. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.
Risk: An unexpected engine stall can increase the risk of a crash.
Fix: Dealers will replace the ECM, free of charge. Owner notification letters are expected to be mailed October 16, 2022. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 22KWG and 22PBG.
Service bulletins (14)
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.
Unknown Or Other 2026-09-30 · 46-025 · Service Bulletin/Repair Instructions
one additional chassis has been added to the chassis list.
Unknown Or Other 2026-09-21 · 46-025 · Service Bulletin/Repair Instructions
the bulletin has been updated to include vehicles equipped with 141 kwh batteries.
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."
Fuel/Propulsion System 2026-07-02 · 25KWD 25PBD · Service Campaign
additional us chassis have been added, along with additional canadian chassis under identical safety recall 26pacb.
Steering 2026-03-03 · 22KWE/PBE · Service Bulletin/Repair Instructions
sheppard recall order process update - the parts section has been updated with revised steps for opening a tcs365 order support – order inquiry case.
Electrical System 2026-02-26 · 46-022 · Service Campaign
certain model 220, k270, and k370 bev chassis are broadcasting incorrect vins to paccar solutions.
Showing the 6 most recent of 14 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.