The worst 2026 Peterbilt 589 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 3
Service brakes, air: supply: reservoir/tank
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2026 Peterbilt 567 and 589 trucks. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
- Risk
- Insufficient air volume can reduce braking performance and increase the risk of a crash.
- Remedy
- Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed December 26, 2025. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 25PACH.
Recall number 25V795000 · Recall details
Exterior lighting: lighting control module: software
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2024-2026 Kenworth T480, T680, T880, W990, Peterbilt 520, 536, 537, 548, 567, 579, 589, 2025 Kenworth T180, Peterbilt 535, 2025-2026 Kenworth T280, T380 and L770 vehicles. The tail brake light, upper and lower beam headlights, reverse light, and turn signal may not illuminate as intended. In addition, the lift axles, if lowered, may revert to a raised position, or oscillate up and down when the signal warning lights are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices and Associated Equipment."
- Risk
- Delayed and unsteady headlights can result in insufficient illumination of the road, decreasing the driver's visibility and increasing the risk of a crash. In addition, an unexpected position change of the lift axles may increase the risk of injury.
- Remedy
- Dealers will update the VCU software, free of charge. Owner letters were mailed August 19, 2025. 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 25PACF.
Recall number 25V436000 · Recall details
Service brakes, air: antilock: modulator
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 367, 2026 Peterbilt 548, 589, and 2024-2026 Peterbilt 567 trucks. The rear brake piping assembly may have insufficient clearance, which can result in a loss of service brakes or anti-lock brake function.
- Risk
- Brake failure can increase the risk of a crash.
- Remedy
- Dealers will install new brake hoses and correct the rear brake piping assembly, free of charge. Owner letters were mailed September 8, 2025. Owners may contact Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's number for this recall is 25PBE.
Recall number 25V353000 · Recall details
Technical service bulletins for the 2026 Peterbilt 589 49
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.
- Eaton service bulletin TAIB-1026 instructs dealers to update the master switch module (MSM) software
- Additional chassis have been added to the population
- Updated parts table with new dielectric grease.
- Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- Certain chassis with CARB 2024 compliant MX-13 engines must have the PEU wiring harnesses updated
- "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
- The campaign expiration date has been extended from 10/01/2026 to 04/01/2027.
- [SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
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Questions about the 2026 Peterbilt 589
Is the 2026 Peterbilt 589 reliable?
Owners have filed 0 complaints about the 2026 Peterbilt 589.
What is the most common problem with the 2026 Peterbilt 589?
There are not enough complaints to tell.
How many recalls does the 2026 Peterbilt 589 have?
3 recalls, covering service brakes, air and exterior lighting.
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