2021 Peterbilt 220 problems, complaints & recalls
Safety recalls (2)
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:automatic Transmission:control Module:software 2022-08-17 · campaign 22V630000 · 4 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2022 Kenworth K270 and 2021 Peterbilt 220 vehicles. Software programing may prevent the electric power train control unit from processing stability control commands while in regenerative braking mode.
Risk: Failure to process stability control commands may increase the risk of a crash.
Fix: Dealers will update the electric power train control unit with a software, free of charge. All vehicles were remedied in October. 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 22KWH and 22PBH.
Service bulletins (21)
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."
Electrical System 2025-05-31 · 98-030 · Service Bulletin/Repair Instructions
5/29/2025: a new ethernet multiplexed architecture (emux) service tool kit service manual (sm034-022) has been released to provide general use information. the new emux service tool kit improves cab & chassis electrical troubleshooting efficiency, while reducing risk of component damage. 4/29/2025:
Engine 2024-11-22 · 32-025 · Service Bulletin/Repair Instructions
info only unnecessary starter replacements can result from customer complaints regarding engine starting issues. a new starter troubleshooting guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary starter replacements and associated warran
Unknown Or Other 2024-09-19 · 46-014 · Service Bulletin/Repair Instructions
information only storage guideline procedures are now available for both medium duty and heavy-duty battery electric vehicles.
Electrical System 2024-09-14 · 98-030 · Service Campaign
information only new diagnostic tool is required to support paccar ethernet multiplexed architecture (emux). the emux service tool kit will help improve cab & chassis electrical troubleshooting efficiency, while reducing the risk of component damage.
Electrical System 2024-08-02 · 46-001 HVAC Update · Other
bev phase 2 tools have been added to the bev required tools lists.
Showing the 6 most recent of 21 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.