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Service bulletin IK0800691

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 id11031191
Published by NHTSA2026-04-08
Manufacturer's numberIK0800691
Manufacturer's date2026-03-24
NHTSA componentLANE DEPARTURE: WARNING; LANE DEPARTURE: BLIND SPOT DETECTION; FORWARD COLLISION AVOIDANCE: WARNINGS; ELECTRICAL SYSTEM

NHTSA's summary

This document is intended to inform dealers, technicians, parts departments, and customers of a change made to radio software to support updated Collision Mitigation, Lane Departure Warning (LDW), and Blind Spot Monitoring systems. If replacing the radios on the vehicles described below, the radio either needs to be built after a specific build date or have the software version verified/updated. If outdated radio software is used on these vehicles, the audible tones for these systems may not be heard by the driver. The applicable vehicles were all built with the correct radio. This iKNnow article only applies if replacing the radio for a service event in one of the vehicles listed below.

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

Driver assistance, Electrical system, Blind spot detection, Lane departure and lane keeping

Vehicles listed
IC BUS CESB2025 to 2027
INTERNATIONAL HV2025 to 2026
INTERNATIONAL LT2025 to 2026
INTERNATIONAL MV2025 to 2027

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