No complaints are listed for the 2021 Peterbilt 535. NHTSA's API and bulk file list none in this build.
Data build 2026-10-10.
NHTSA lists this vehicle as PETERBILT 535.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
1 recalls.
Date: 2024-03-20. Systems: POWER TRAIN.
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 24KWE.
Do not drive: No. Park outside: No.
Manufacturer communications
12 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 6 |
|---|
| POWER TRAIN | 3 |
|---|
| ENGINE | 2 |
|---|
| ENGINE AND ENGINE COOLING | 1 |
|---|
| SERVICE BRAKES | 1 |
|---|
| Transmission | 1 |
|---|
11037541
Date: 2026-09-11. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
"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."
11033918
Date: 2026-06-03. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
"KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note boxes for clear instructions."
11033351
Date: 2026-05-06. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Troubleshooting procedures for 2.1m cab power windows are now available.
11029738
Date: 2026-02-11. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
11026415
Date: 2025-11-26. Type: Service Campaign. Systems: ELECTRICAL SYSTEM, POWER TRAIN.
The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A
11016473
Date: 2025-03-26. Type: Service Campaign. Systems: ELECTRICAL SYSTEM.
As of 03/25/2025, this campaign has resumed. Software updates are now available to complete this campaign.
11010926
Date: 2024-11-22. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
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
11000767
Date: 2024-05-16. Type: Service Bulletin/Repair Instructions. Systems: SEATS.
Information Only New tools are required to support PACCAR TX-8 / ZF transmissions. Part numbers E0l-1012 (Adapter, Jack TX-8), E0l-1014 (Front Seal Installer), and E0l-1015 (Rear Seal Installer) are currently available to order
10252585
Date: 2024-03-25. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, POWER TRAIN.
INTERIM Safety Recall Parts are not currently available for this safety recall. This bulletin will be updated once repair parts are available. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-h
10225578
Date: 2022-10-18. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This