WenmarOpen by Wenmar Pro

Service bulletins for the 2026 Spartan Fire GLADIATOR

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.

7 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
CSB26-150-0042026-09-08. Service bulletin. UNKNOWN OR OTHER. This service bulletin is about certain vehicles equipped with flip down grills that have the incorrect label installed on the grill.
CSB26-500-0012026-07-08. Service bulletin. UNKNOWN OR OTHER. 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.
CSB26-200-0012026-06-03. Service bulletin. POWER TRAIN. This service bulletin is about certain vehicles equiped with Parker Chelsea PTOs with a full complement bearing may have unrequested shaft rotation in low temperatures.
TSB26-560-0012026-05-07. Service bulletin. ELECTRICAL SYSTEM. This service bulletin is about certain vehicles equipped with a CAN I/O module that may experience excessive resistance value between pin 3 and 4 and how to replace the module.
TSB26-270-0012026-03-05. Service bulletin. UNKNOWN OR OTHER. This Service bulletin is about certain vehicles that may incorrectly experience a low coolant level alarm and fault code when the coolant is full.
TSB26-150-0012026-02-03. Service bulletin. UNKNOWN OR OTHER. This service bulletin is about certain vehicles that may experience leaks through the cab roof seams into the cab interior and instructions on how to repair the leak.
TSB25-110-0012026-01-08. Service bulletin. UNKNOWN OR OTHER. This service bulletin is about certain vehicles with cab tilt crossbar tubes that may crack adjacent to the cab pivot mounts and instructions on how to remove and weld in a replacement tube.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.