# Service bulletin TSB23\-520\-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: 10235248
- Published by NHTSA: 2023\-05\-01
- Manufacturer's number: TSB23\-520\-001
- Manufacturer's date: 2023\-01\-27
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This service bulletin provides instructions to inspect and rewire 120V box in accordance with diagram.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235248-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235248-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2021 to 2023 SPARTAN FIRE FC\-94
- 2021 to 2023 SPARTAN FIRE GLADIATOR
- 2021 to 2023 SPARTAN FIRE METROSTAR

## Recalls for the same vehicles and component

- [24V181000](/recalls/nhtsa/24V181000.md), 2024-03-07: ELECTRICAL SYSTEM
- [22V780000](/recalls/nhtsa/22V780000.md), 2022-10-17: EQUIPMENT:EMERGENCY:SIREN/LIGHTING/STROBES; ELECTRICAL SYSTEM
- [22V539000](/recalls/nhtsa/22V539000.md), 2022-07-26: ELECTRICAL SYSTEM
- [22V373000](/recalls/nhtsa/22V373000.md), 2022-05-24: EQUIPMENT:EMERGENCY:SIREN/LIGHTING/STROBES:WIRING; ELECTRICAL SYSTEM
- [21V567000](/recalls/nhtsa/21V567000.md), 2021-07-26: EQUIPMENT:EMERGENCY:FIRE SUPRESSION; ELECTRICAL SYSTEM
- [21V329000](/recalls/nhtsa/21V329000.md), 2021-05-10: ELECTRICAL SYSTEM
- [20V762000](/recalls/nhtsa/20V762000.md), 2020-12-10: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [TSB26\-520\-001](/bulletins/11030607.md), 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.
- [TSB26\-410\-001](/bulletins/11029646.md), 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.
- [CSB25\-500\-001](/bulletins/11027506.md), 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.
- [TSB24\-500\-001](/bulletins/11003063.md), 2024-07-03, Service bulletin: ELECTRICAL SYSTEM. This service bulletin is about certain vehicles equipped with a Weldon HC node that may prevent certain functions from working properly and the instructions on how to update the node operating system.
- [TSB23\-880\-001](/bulletins/10239464.md), 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](/bulletins/10239463.md), 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.
- [TSB21250003](/bulletins/10203393.md), 2021-11-08, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides instructions to replace with new height control valves for front IFS height control valves that may fail.
- [TSB21\-160\-003](/bulletins/10198160.md), 2021-06-21, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:WIRING. This service bulletin provides instructions to correct pin orientation at A/C compressor connector

JSON: [/v1/bulletins/10235248](/v1/bulletins/10235248)

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