# Service bulletin TSB1411

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: 11013901
- Published by NHTSA: 2025\-02\-06
- Manufacturer's number: TSB1411
- Manufacturer's date: 2025\-02\-07
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Inspect to make sure that retainers are properly secured \& that there is no damage to the cables. Please see picture below as to how it should look. If the cables are not secured \& no visual damage, please add retainers. You can use Qty 3 of 7/8" VNYL COATED P\-CLAMPS

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11013901-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11013901-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2023 ARBOC SPIRIT OF FREEDOM
- 2022 ARBOC SPECIALTY VEHICLES SPIRIT OF FREEDOM
- 2022 to 2023 ARBOC SPECIALTY VEHICLES SPIRIT OF MOBILITY

## Other bulletins for the same vehicles and component

- [TSB 2601](/bulletins/11029114.md), 2026-03-02, Service bulletin: ELECTRICAL SYSTEM. The purpose of this is to alert dealer/owners that there are potential unprotected circuits. This is for 2019\-2026 SOM/SOF units that we are adding thermal protection.
- [AR887](/bulletins/11013773.md), 2025-02-05, Service bulletin: ELECTRICAL SYSTEM. Step 1: Fish out two purple wires \(Interior of bus\) from the top of the curbside spinout and move them to the bottom front of the wheel well cover– best to use pull cord/tube to fish them through. These wires should be wrapped in a black protective “snakeskin” covering \(see picture\). Step 2: Locate the controller on the fire suppression extinguisher bottle and find the gray wire with the blunt cut end \(see picture\). Step 3: Strip this covering back to expose the red, white, and black wires \(see picture\). Step 4: Bend white wire back and tape off – it is not used \(see picture\). Step 5: Strip red and black wires and connect each one separately to a purple wire with butt connectors. It may be necessary to remove some of the extra purple wiring to provide the best fit within the harness. Step 6: When complete the wires should look like this \(see picture\). Step 7: If these instructions are followed correctly the engine shutdown will be in place \(see schematic picture\).

JSON: [/v1/bulletins/11013901](/v1/bulletins/11013901)

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