The worst 2027 Peterbilt 548 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 3
Fuel system, diesel: delivery: hoses, lines/piping, and fittings
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T370, T270, 2022-2027 Kenworth T280, Peterbilt 548, 2023-2027 Kenworth T480, T380, Peterbilt 536, 537, and 2025 Peterbilt 567 vehicles. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
- Risk
- A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
- Remedy
- Dealers will replace the fuel hoses, free of charge. Owner notification letters will be mailed beginning December 20, 2026. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220 or Kenworth's customer service at 1‑425‑828‑5888. PACCAR's number for this recall is 26PACJ.
Recall number 26V700000 · Recall details
Service brakes, air: controls: proportioning relay valve
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt 548 trucks. The front brake valve and hoses may be the incorrect size, which can delay the rear service brake application and release, as well as the trailer gladhand application times. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
- Risk
- Delayed brake response time can increase the risk of a crash.
- Remedy
- Dealers will replace the front brake valves and hoses, free of charge. Owner notification letters were mailed October 21, 2026. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 26PACF.
Recall number 26V567000 · Recall details
Electrical system: wiring: power distribution module/ipdm
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt and Kenworth vehicles. Please see the recall report for a complete list of models. The power distribution center (PDC) box may be contaminated with oil, which could result in a loss of drive power, Antilock Brake System (ABS) functionality, exterior lighting, windshield wipers, or the defogging system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 103, "Windshield Defrosting and Defogging Systems," 104, "Windshield Wiping and Washing Systems," and 108, "Lamps, Reflective Devices, and Associated Equipment."
- Risk
- A loss of lighting, windshield wipers, ABS function, or a loss of drive power can increase the risk of a crash.
- Remedy
- Dealers will inspect the PDC serial numbers, and replace the PDC boxes as necessary, free of charge. Owner letters were mailed September 23, 2026. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220 and Kenworth's customer service at 1‑425‑828‑5888. PACCAR's number for this recall is 26PACD.
Recall number 26V485000 · Recall details
Technical service bulletins for the 2027 Peterbilt 548 5
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- The new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
- Certain Model 548 chassis equipped with tri-drive brake piping are non-compliant with Federal MotorVehicle...
- "The PKC Group power distribution center (PDC) in certain vehicles may be contaminated with oil, which...
- "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- An improved transmission bracket is now available for replacement on certain chassis equipped with a...
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Questions about the 2027 Peterbilt 548
Is the 2027 Peterbilt 548 reliable?
Owners have filed 0 complaints about the 2027 Peterbilt 548.
What is the most common problem with the 2027 Peterbilt 548?
There are not enough complaints to tell.
How many recalls does the 2027 Peterbilt 548 have?
3 recalls, covering fuel system, diesel, service brakes, air and electrical system.
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