# Service campaign ISA\-25\-01

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 campaign
- NHTSA id: 11017431
- Published by NHTSA: 2025\-05\-01
- Manufacturer's number: ISA\-25\-01
- Manufacturer's date: 2025\-04\-28
- NHTSA component: ENGINE; ELECTRICAL SYSTEM; SERVICE BRAKES

## NHTSA's summary

Indian Motorcycle has developed and released new software updates for the following modules: • Engine Control Module \(ECM\): – Improved low\-speed / low RPM operation with smoother throttle to wheel power transition. – Improved consistency when moving in and out of idle RPM range. – Improved start button functionality to ensure the starter engages in a full start cycle with a single push. • Anti\-lock Braking System \(ABS\): – Improved vehicle speed data collection with a faulted wheel speed sensor for accurate speed information. – Traction control lamp will not be on when traction control is disabled. – Improved fault timeout handling to prevent boot up nuisance faults U1055\-87 and U0100\-02. • Gateway Control Module \(GCM\): – Reduction in unnecessary current draw when powered off.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017431-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017431-9999.pdf)

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

## Components

Brakes, Electrical system, Engine

## Trouble codes named

U0100, U1055

## Vehicles listed

- 2025 INDIAN SCOUT

JSON: [/v1/bulletins/11017431](/v1/bulletins/11017431)

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