# Other 25PBB

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Other
- NHTSA id: 11014765
- Published by NHTSA: 2025\-03\-04
- Manufacturer's number: 25PBB
- Manufacturer's date: 2025\-02\-11
- Campaign id or software version: 25PBB
- NHTSA component: EXTERIOR LIGHTING; ELECTRICAL SYSTEM

## NHTSA's summary

"Safety Recall – Interim Notification 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 US Federal Motor Vehicle Safety Standards \(FMVSS\) or Canadian Motor Vehicle Safety Standards \(CMVSS\) 101 and 108. This bulletin will be updated when software and programming procedures are available."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014765-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014765-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Lighting

## Vehicles listed

- 2024 to 2025 PETERBILT 535
- 2024 to 2026 PETERBILT 536
- 2024 to 2026 PETERBILT 537
- 2024 to 2026 PETERBILT 548
- 2024 to 2025 PETERBILT 567

## Recalls for the same vehicles and component

- [2025357](/recalls/tc/2025357.md), 2025-06-26: Lights And Instruments
- [25V436000](/recalls/nhtsa/25V436000.md), 2025-06-26: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
- [2025036](/recalls/tc/2025036.md), 2025-01-29: Lights And Instruments
- [25V041000](/recalls/nhtsa/25V041000.md), 2025-01-29: EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
- [24V915000](/recalls/nhtsa/24V915000.md), 2024-12-09: ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

## Other bulletins for the same vehicles and component

- [E328](/bulletins/11037480.md), 2026-09-23, Service campaign: ELECTRICAL SYSTEM. Certain chassis with CARB 2024 compliant MX\-13 engines must have the PEU wiring harnesses updated. The original wiring and fuse are insufficient for electrical system operation and protection.
- [01\-094](/bulletins/11037479.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. \[SmartAir / KIMS\] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
- [P001](/bulletins/11036294.md), 2026-08-20, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Chassis list has been updated to include 10 chassis. The total chassis count is now 101.
- [46\-029](/bulletins/11036290.md), 2026-08-20, Service bulletin: ELECTRICAL SYSTEM. When DAVIE version 26.21.2 is used to update the VECU3 to software version 3.4.46.0, the VECU3 5071 component group may display as \-\-\- after programming.
- [43\-089](/bulletins/11035151.md), 2026-07-22, Service bulletin: ENGINE; ELECTRICAL SYSTEM. An optional software update is expected to be available on or after 07/31/26 for chassis equipped with EPA 2024 engine model year \(EMY\) 2024\-2026 PACCAR MX\-11 and MX\-13 engines. This update provides customers with additional time to service their trucks before a DEF\-related derate occurs. The software is being offered to customers in alignment with recently updated regulatory agency guidance.
- [46\-027](/bulletins/11033920.md), 2026-06-17, Service bulletin: ELECTRICAL SYSTEM. The currently published HD BEV Chassis with PACCAR EPowertrain Service \(Built After 1/14/2026\) de\-energizing Procedures on ServiceNet cannot be utilized for certain pre\-production Battery Electric Vehicle \(BEV\) chassis.
- [43\-080](/bulletins/11033918.md), 2026-06-17, Service bulletin: 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."
- [R2601](/bulletins/11033387.md), 2026-06-04, Service bulletin: ELECTRICAL SYSTEM. Updated primary and/or secondary chassis modules for certain pre\-production Kenworth chassis are now available for installation.
- [02\-177](/bulletins/11033351.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM. Troubleshooting procedures for 2.1m cab power windows are now available.
- [E326](/bulletins/11032284.md), 2026-05-06, Emissions: ENGINE; ELECTRICAL SYSTEM. EPA17\-24 MX Fuel Injector Connector \- This bulletin has been revised to include all EPA17\-24 and CARB24 PACCAR MX engines.

JSON: [/v1/bulletins/11014765](/v1/bulletins/11014765)

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