TSB: SPARTAN ADVANTAGE, AERIAL, ALTERED CHASSIS CABS, BIG EASY, DEFENSE DEPT. CHASSIS CAB, DIAMOND, DR, ER K2, ER K3, FC-94, FURION, GLADIATOR, K1, K2, K3, K4, LADDER TOWER APPARATUS, LEGEND, METROSTAR, METROSTAR RT, METROSTAR-X, MM, MOUNTAIN STAR, NVS, S-180 PUMPER, SB, SEWER JETTER 738, SEWER JETTER 740, SEWER JETTER 758, STAR, SV, TR-1, TRANSIT BUS CHASSIS CAB (2014–2024)
Bulletin TSB23-540-001 — December 21, 2023
Bulletin Details
| Bulletin ID | TSB23-540-001 |
| Manufacturer | SPARTAN |
| Models | ADVANTAGE, AERIAL, ALTERED CHASSIS CABS, BIG EASY, DEFENSE DEPT. CHASSIS CAB, DIAMOND, DR, ER K2, ER K3, FC-94, FURION, GLADIATOR, K1, K2, K3, K4, LADDER TOWER APPARATUS, LEGEND, METROSTAR, METROSTAR RT, METROSTAR-X, MM, MOUNTAIN STAR, NVS, S-180 PUMPER, SB, SEWER JETTER 738, SEWER JETTER 740, SEWER JETTER 758, STAR, SV, TR-1, TRANSIT BUS CHASSIS CAB |
| Model Years | 2014–2024 |
| Date Issued | December 21, 2023 |
| Date Added to NHTSA | January 22, 2024 |
| Component | INTERIOR LIGHTING |
| Vehicles Affected | 184 combinations |
What is a TSB?
A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.
If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.
Summary
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 wit
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| SPARTAN FIRE | FC-94 | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2024 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | FC-94 | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | S-180 PUMPER | 2023 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | FC-94 | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | S-180 PUMPER | 2022 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | FC-94 | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | S-180 PUMPER | 2021 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | LADDER TOWER APPARATUS | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | S-180 PUMPER | 2020 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | S-180 PUMPER | 2019 | 330000 INTERIOR LIGHTING |
| SPARTAN | ADVANTAGE | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | BIG EASY | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | DIAMOND | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | ER K3 | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | K1 | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | MOUNTAIN STAR | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | SV | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | TR-1 | 2018 | 330000 INTERIOR LIGHTING |
| SPARTAN | ADVANTAGE | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | BIG EASY | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | DIAMOND | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | ER K3 | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | FURION | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | K4 | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | MOUNTAIN STAR | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | SB | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | SV | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | TR-1 | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN MOTORS | TRANSIT BUS CHASSIS CAB | 2017 | 330000 INTERIOR LIGHTING |
| SPARTAN | ADVANTAGE | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | AERIAL | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | ALTERED CHASSIS CABS | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | BIG EASY | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | DIAMOND | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | FURION | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | LEGEND | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | MOUNTAIN STAR | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | SB | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | STAR | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | SV | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | TR-1 | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN MOTORS | TRANSIT BUS CHASSIS CAB | 2016 | 330000 INTERIOR LIGHTING |
| SPARTAN | ADVANTAGE | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | AERIAL | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | ALTERED CHASSIS CABS | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | BIG EASY | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | DEFENSE DEPT. CHASSIS CAB | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | DIAMOND | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | DR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | FURION | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | LEGEND | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | MOUNTAIN STAR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | NVS | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | SB | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | STAR | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | SV | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | TR-1 | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN MOTORS | TRANSIT BUS CHASSIS CAB | 2015 | 330000 INTERIOR LIGHTING |
| SPARTAN | ADVANTAGE | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | AERIAL | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | ALTERED CHASSIS CABS | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | BIG EASY | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | DEFENSE DEPT. CHASSIS CAB | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | DIAMOND | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | DR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | ER K2 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | FURION | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | GLADIATOR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | GLADIATOR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | K2 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | K3 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | LEGEND | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | METROSTAR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR RT | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN FIRE | METROSTAR-X | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | MM | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | MOUNTAIN STAR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | NVS | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | SB | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN TOOL | SEWER JETTER 738 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN TOOL | SEWER JETTER 740 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN TOOL | SEWER JETTER 758 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN ERV | STAR | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | SV | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN | TR-1 | 2014 | 330000 INTERIOR LIGHTING |
| SPARTAN MOTORS | TRANSIT BUS CHASSIS CAB | 2014 | 330000 INTERIOR LIGHTING |
Related SPARTAN Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized SPARTAN dealer. Bring this bulletin ID (TSB23-540-001) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.
Frequently Asked Questions
A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.
If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.
Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.
This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.