Service bulletins for the 2023 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.
21 on file from NHTSA, as of 2026-10-19.
By type
By component
| TSB26-520-001 | 2026-04-02. Service bulletin. ELECTRICAL SYSTEM. This service bulletin is about certain vehicles equipped with a LCP80 Kussmaul charger that may fail to initiate the charging operation and instructions on how to inspect and potentially replace the charger. |
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| TSB26-410-001 | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM. This service bulletin is about certain vehicles equipped with ZeroRPM that may possess default settings that do not prioritize the charging of the chassis equipped lead acid batteries. |
| TSB26-270-001 | 2026-03-05. 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. |
| TSB26-150-001 | 2026-02-03. 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. |
| TSB25-110-001 | 2026-01-08. 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. |
| CSB25-500-001 | 2026-01-08. Service bulletin. ELECTRICAL SYSTEM. This service bulletin is about certain vehicles equipped with a Weldon Hercules HC 1.8 node giving timing errors when combined with the Whelen Core and Core R and instructions on how to update the OS version on the node. |
| CSB25-370-001 | 2025-12-06. Service bulletin. WHEELS. This service bulletin is about certain vehicles equipped with lower weight rated wheels than what the front GVW of the vehicles were rated for and instructions to replace the wheel assemblies. |
| TSB25-350-001 | 2025-11-07. Service bulletin. SUSPENSION. This service bulletin is about certain vehicles equipped with Hendrickson FireMaax Suspension U-Bolts that may stretch from initial factory torque application and instructions to re-torque the U-Bolts to manufacturers specifications. |
| TSB25-210-001 | 2025-04-04. Service bulletin. UNKNOWN OR OTHER; SUSPENSION. This service bulletin provides instructions to replace new crossmember gussets if the frame crossmember gussets used in RoadMaxx rear suspension equipped vehicles may experience a crack due to a material deviation by the supplier. |
| TSB25-240-001 | 2025-04-04. Service bulletin. SUSPENSION. This service bulletin provides instructions to replace the steering gear cover fasteners if the IFS steering gear cover develops a leak as a result of the cover fastener loosening. |
| TSB24-260-001 | 2024-09-28. Service bulletin. STEERING. This service bulletin is about certain steering column boots potentially adhering to the steering column shaft causing damage to the boot and instructions on how to modify the steering column boot. |
| Service Bulletin | 2024-03-25. Service bulletin. SUSPENSION. This service bulletin is about certain vehicles greater than 54k rear GAWR, equipped with an AL-600 suspension and RT-58-185 drive axle assembly that may have the potential for a defect in a Spartan performed weld that may cause separation of the track rod pedestal from the top of the rear axle. As well as instructions on how to remove axles/suspension from truck for Spartan Fire Chassis designated certified welding service to apply welds to track rod mount, then reinstall. |
| TSB23-540-001 | 2024-01-22. Service bulletin. INTERIOR LIGHTING. This service bulletin is about certain vehicles equipped with 92 inch or longer roof mounted light bars that could experience fracture of the light bar mounting brackets, as well as provides instructions to replace the light bar bracket with improved bracket design. |
| TSB23-260-001 | 2024-01-22. Service bulletin. STEERING. This service bulletin is about the power steering fluid level sensor could exhibit leaks where sensor seals against power steering reservoir and provides instructions on replacing current power steering level sensor with improved sensor design. |
| TSB23-250-001 | 2023-12-04. Service bulletin. STRUCTURE. This service bulletin is about potential that the Reyco front IFS cradle may experience a crack in the structure and instructions on how to weld repair the crack and weld gusset. |
| TSB23-880-001 | 2023-07-17. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides instructions on how to properly install the RCM after shipped short due to a supplier shortage. |
| TSB23-520-001A | 2023-07-17. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides instructions to inspect and rewire 120V box in accordance with diagram. Revision to the previous bulletin released. |
| TSB23-210-004 | 2023-07-17. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. This service bulletin is about potential for crack at the engine cutout area of the frame rail flanges and provides instructions on how to weld repair and add frame rail reinforcements. |
| TSB23-520-001 | 2023-05-01. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides instructions to inspect and rewire 120V box in accordance with diagram. |
| TSB23-120-001 | 2023-05-01. Service bulletin. SEAT BELTS. This service bulletin provides instructions to install a more abrasive resistance seat belt assembly. |
| CSB23-560-001 | 2023-04-24. Service bulletin. FUEL SYSTEM, GASOLINE. This service bulletin is about the pump panel fuel gauge may display blank when energized and provides instructions to send gauge to Spartan for reprogramming. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.