# Service bulletin GDC25\-012 092025

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: 11023387
- Published by NHTSA: 2025\-09\-29
- Manufacturer's number: GDC25\-012 092025
- Manufacturer's date: 2025\-09\-29
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Lighting DTC list

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023387-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023387-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2025 to 2026 MACK PIONEER PR \(4\)

## Recalls for the same vehicles and component

- [2026154](/recalls/tc/2026154.md), 2026-04-01: Lights And Instruments
- [26V207000](/recalls/nhtsa/26V207000.md), 2026-04-01: EXTERIOR LIGHTING:TURN SIGNAL
- [2025640](/recalls/tc/2025640.md), 2025-11-20: Lights And Instruments
- [25V803000](/recalls/nhtsa/25V803000.md), 2025-11-20: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
- [25V622000](/recalls/nhtsa/25V622000.md), 2025-09-18: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE

## Other bulletins for the same vehicles and component

- [CBR 2532\-1 202511](/bulletins/11026042.md), 2025-12-03, Service bulletin: EXTERIOR LIGHTING. CBR \- Automatic High Beam PR\(4\) \- AN\(4\).

JSON: [/v1/bulletins/11023387](/v1/bulletins/11023387)

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