Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
43-080
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.
02-177
Troubleshooting procedures for 2.1m cab power windows are now available.
24PBE_KWE
The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
25PACF
Parts and procedures are now available for all affected chassis equipped with Vehicle Electronic Control Unit (VECU) part number Q21-1157-013-011 / Q21-1157-013-013 / Q21-1157-002-002 / Q21-1157-004-004 / Q21-1157-006-006 / Q21-1157-009-009. See attached Parts Matrix for required parts per chassis.
25KWB/25PBB
A new Recommended Repair has been added. It must be used if safety recall 25PACF is performed prior to or at the same time as this repair since the 25PACF remedy also satisfies this safety recall.
24PBE
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 warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.
25PBA
Certain Model 535/536/537/548 may have an oversized magnet carrier in the throttle pedal assembly, which may cause the pedal to stick, and may increase the risk of a crash. Driver may feel sticking or that pedal does not return to idle once released. Pressing the service brake will overcome a stuck throttle pedal and allow the vehicle to stop. All affected chassis must perform a date inspection on the throttle pedal. If the date falls on or between suspect range, 08/12/2022 through 12/14/2022, throttle pedal is considered bad and will need to be replaced. Safety Recall start date: 03/27/2025
43-080 PB
As of 03/25/2025, this campaign has resumed. Software updates are now available to complete this campaign.
T020 - PB
Fix-As-Fail Certain Model 535, 536, 537, and 548 chassis equipped with a PACCAR TX-8 transmission received transmission software with an incorrect variable. This software issue may cause DTC 521215-2 to set, the Transmission Dash Light to Illuminate, and shifting to be restricted. A software update is now available to fix the issue. Fix-as-Fail start date: 03/19/2025.
25PBB
Safety Recall The Exterior Lighting Switch (ELS) in certain Model 535, 536, 537, 548, and 567 chassis may not function and can be reset only by a key cycle. This issue may result in non-compliance with FMVSS/CMVSS 101 and 108. Affected chassis must have the Vehicle Soft ware updated.
32-025
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 warranty claims. Engine starting system warranty claims now require a completed Starter Checklist, a Battery Pack Midtronics Report, and a Cable Drop Midtronics Report. Claims filed without these documents may be denied.
98-026
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
51-017
Certain Peterbilt 535, 536, 537, 548 chassis may have mis-pinned wires for the Bluetooth system, which may cause Bluetooth to not function properly when the driver tries to make/receive a call.
E307
CARB Emission s Manufacturer Warranty term and/or kilometers conversion displayed in certain EMY 2022-2023 PX-7 or PX-9 OperatorâÂÂs Manuals are incorrect.
15-031
This Bulletin contains parts ordering and replacement procedures for Steering Gears identified as SUSPECT under 24PBC ONLY. Steering Gears repaired under this bulletin MUST be entered into the Serial Number Tracking Form for 24PBC.
24PBA
SAFETY RECALL Certain 535/536/537/548 chassis may have cab mirror glass lock rings not fully seated. This could result in loss of mirror glass, reducing rear visibility and increasing the risk of an accident or injury. Missing mirrors cause non-compliance with FMVSS 111 / CMVSS 111. Mirror glass lock rings must be inspected and, if necessary, reseated.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.