# Service bulletin CBR \-2467\-4 072025

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: Service bulletin
- NHTSA id: 11021329
- Published by NHTSA: 2025\-08\-04
- Manufacturer's number: CBR \-2467\-4 072025
- Manufacturer's date: 2025\-07\-09
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

CBR \- This CBR solution was created to􀁡provide guidance on resolving the “Service Required” message that may appear in the Instrument Cluster \(IC\) of VN \(4\) and PR \(4\) model vehicles under specific conditions.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021329-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021329-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 MACK PIONEER PR \(4\)

## Recalls for the same vehicles and component

- [24V792000](/recalls/nhtsa/24V792000.md), 2024-10-23: ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

## Other bulletins for the same vehicles and component

- [TSB M\-371\-005A 202609](/bulletins/11037821.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Jumper Harness Repair for Version 4 Mack Trucks
- [TSB M\-373\-003 202609](/bulletins/11037728.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Power Cable Alternator Replacement
- [CBR 2590\-3 202609](/bulletins/11037725.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Instrument Cluster Going Dark
- [CBR 2496\-18 202609](/bulletins/11037724.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. The purpose of this CBR is outline the interim software solution for PR\(4\) and AN\(4\).
- [CBR 2483\-6 202609](/bulletins/11037668.md), 2026-10-01, Service bulletin: ELECTRICAL SYSTEM. Diagnostic instructions for CAN network communication issues.
- [CBR 2596 202608](/bulletins/11036585.md), 2026-09-01, Service bulletin: ENGINE; ELECTRICAL SYSTEM. The purpose of this CBR is to provide steps on how to correct a customer complaint of a no crank/engine start condition.
- [CBR 2429 202608](/bulletins/11036583.md), 2026-09-01, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. This CBR solution outlines the procedures for diagnosing, replacing, calibrating, and programming Flexible Switch Panels and the Security and Cab Interface Module \(SCIM\) to resolve switch malfunction notifications and associated fault codes.
- [CBR 2585\-3 072026](/bulletins/11035504.md), 2026-08-03, Service bulletin: ELECTRICAL SYSTEM. CBR \- The purpose of this CBR is to provide support for fault codes C106718 and/or C106818.
- [CBR\-2590\-2 202606](/bulletins/11034132.md), 2026-06-29, Service bulletin: ELECTRICAL SYSTEM. The purpose of this CBR is to provide steps on how to correct a customer complaint of instrument cluster going dark \(blackout\) situation.
- [CBR\-2588\-2 202606](/bulletins/11034131.md), 2026-06-29, Service bulletin: ELECTRICAL SYSTEM. The purpose of this CBR is to provide aid in VMCU fault B1524\-49 along with a Rain sensor which will not calibrate.

JSON: [/v1/bulletins/11021329](/v1/bulletins/11021329)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20CBR%20-2467-4%20072025&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11021329&vehicle=Service%20bulletin%20CBR%20-2467-4%20072025)