The worst 2021 Peterbilt 220 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 2
Electrical system: propulsion system
- What is wrong
- 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.
- Remedy
- 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.
Recall number 25V182000 · Recall details
Power train: automatic transmission: control module: software
- What is wrong
- 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.
- Remedy
- 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.
Recall number 22V630000 · Recall details
Technical service bulletins for the 2021 Peterbilt 220 21
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- 5/29/2025: A new Ethernet Multiplexed Architecture (EMUX) Service Tool Kit service manual (SM034-022) has...
- Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting...
- Information Only Storage guideline procedures are now available for both Medium Duty and Heavy-Duty...
- Information Only New diagnostic tool is required to support PACCAR Ethernet Multiplexed Architecture...
- BEV Phase 2 tools have been added to the BEV required tools lists.
- 220EV Battery Electric Vehicles (BEV) rely on 12V batteries that act as a buffer when the converter cannot...
- On certain Peterbilt Model 220EV Battery Electric Vehicles (BEVs), timer 2 for the HED® Telematic device...
- Information Only Dealers/body builders installing lift gates onto Peterbilt Model 220EV BEV chassis must...
- Info Only
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Questions about the 2021 Peterbilt 220
Is the 2021 Peterbilt 220 reliable?
Owners have filed 0 complaints about the 2021 Peterbilt 220.
What is the most common problem with the 2021 Peterbilt 220?
There are not enough complaints to tell.
How many recalls does the 2021 Peterbilt 220 have?
2 recalls, covering electrical system and power train.
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