# Service bulletin CSB26\-500\-001

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: 11034846
- Published by NHTSA: 2026\-07\-08
- Manufacturer's number: CSB26\-500\-001
- Manufacturer's date: 2026\-06\-11
- Campaign id or software version: 26007
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: Electrical: V\-Mux

## NHTSA's summary

This service bulletin is about certain vehicles equipped with V\-Mux Digital Truck Designer \(DTD\) multiplex system that may experience a situation where the node's internal control state will be out of synchronization with the other modules in the vehicle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034846-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034846-9999.pdf)

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

## Vehicles listed

- 2025 to 2026 KME PANTHER
- 2025 KME PREDATOR
- 2024 to 2027 SPARTAN FIRE GLADIATOR
- 2024 to 2027 SPARTAN FIRE METROSTAR

JSON: [/v1/bulletins/11034846](/v1/bulletins/11034846)

[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%20CSB26-500-001&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11034846&vehicle=Service%20bulletin%20CSB26-500-001)