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Service bulletin ISA-24-02

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11001045
Published by NHTSA2024-06-05
Manufacturer's numberISA-24-02
Manufacturer's date2024-05-03
Campaign id or software versionISA-24-02
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

Indian Motorcycle has developed an updated Engine Control Module (ECM) calibration for 2020 - 2022 OEM, Stage 1 and Stage 2 North American Challenger / Pursuit motorcycles. The updated ECM calibration improves low speed operation, misfire detection, and idle performance. The updated ECM calibration will also increase the accuracy of the fuel level and expected range.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Vehicles listed
INDIAN CHALLENGER2020 to 2022
INDIAN CHALLENGER DARK HORSE2020 to 2022
INDIAN CHALLENGER ELITE2020 to 2022
INDIAN CHALLENGER LIMITED2020 to 2022
INDIAN PURSUIT2020 to 2022
INDIAN PURSUIT DARK HORSE2022
INDIAN PURSUIT DARK HORSE PREMIU2022
INDIAN PURSUIT LIMITED2022
INDIAN PURSUIT LIMITED PREMIUM2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.