2021 Peterbilt 389 Recalls

Recalls on record Updated July 2026

The 2021 Peterbilt 389 has 6 NHTSA recall campaigns affecting an estimated 293,573 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the electrical system. Last updated July 5, 2026.

Recall campaigns

ELECTRICAL SYSTEM 24V915000 2024-12-09 220,764 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly…

Consequence

Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may not function properly or at all, increasing the risk of a crash.

Remedy

Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed February 3, 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 numbers for this recall are 24KWL and 24PBL.

POWER TRAIN 24V190000 2024-03-20 70,509 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 365, 367, 389, 535, 536, 537, 548, 567, 579, and 2021-2025 Kenworth T180, T280, T380, T480, T680, T880 and W990 trucks. The right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communication.

Consequence

A loss of communication between the gear shifter and the transmission may result in the vehicle becoming disabled after coming to a stop, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the gear shifter assembly as necessary, free of charge. Owner letters were mailed December 15, 2025, then phased after that. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24PBE and…

SERVICE BRAKES, AIR 21V906000 2021-11-19 908 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2019-2022 Kenworth T880, W990, Peterbilt 567, 579, 389, and 2022 Peterbilt 536, 537 wrecker and auto hauler vehicles. The work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll.

Consequence

Unintended vehicle movement can increase the risk of a crash or injury.

Remedy

Dealers will update the vehicle software, free of charge. Owner notification letters were mailed on January 3, 2022. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth); or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWG and 21PBM.

SERVICE BRAKES, HYDRAULIC 21V648000 2021-08-19 163 affected
Defect

PACCAR, Inc. (PACCAR) is recalling certain 2021-2022 Peterbilt 367, 389, 567, and 579 vehicles. The cross member mounted Hill Start Assist valve assembly may have insufficient clearance to the rear axle, causing damage to the rear brake hose and loss of the rear brake signal.

Consequence

If loss of the rear brake signal occurs, the vehicle could experience reduced rear braking capability or loss of brakes to the rear axle(s), increasing the risk of a crash.

Remedy

Dealers will inspect for clearance and re-work the assembly to conform with an updated design, free of charge. Interim owner notification letters were mailed on September 24, 2021. Owner notification letters were mailed on March 11, 2022. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). …

ENGINE 21V080000 2021-02-17 132 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.

Consequence

A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.

Remedy

PACCAR will notify owners, and dealers will properly torque the capscrews and the engine will also be inspected for damage and, if necessary, repaired, free of charge. The recall began on March 29, 2021. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's…

POWER TRAIN 20V506000 2020-08-26 1,097 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently…

Consequence

The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.

Remedy

PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall is…

Complaints by component

ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER
1
Total complaints1

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“Odometer fraud. The contact purchased a 2021 peterbilt 389. The contact stated that while attempting to restart the vehicle after running out of diesel, it was discovered that there was a mileage discrepancy. The contact stated that while restarting the vehicle, the fuel filters needed to be…”

ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER · reported 2025-11-12
Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Peterbilt 389 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.