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International MV Recall 18V644: Trailer brake lights may not light when truck brakes

NHTSA campaign 18V644, reported September 19, 2018, 607 vehicles potentially affected.

What this recall means for you

Certain International HV and MV trucks with the combined trailer stop and turn light option may not illuminate the trailer brake lights when the truck's brakes are applied while a trailer is connected. Drivers behind the trailer may not realize the vehicle is slowing, which raises the risk of a crash.

The remedy is free. Dealers will relocate the trailer brake light circuits from the trailer turn signal circuits to the vehicle brake light circuits. Owners will be notified by Navistar. You can also contact Navistar customer service at 1-800-448-7825 and refer to recall number 18514, and check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 18V644Navistar, Inc.
Component
EXTERIOR LIGHTING:BRAKE LIGHTS
Problem
Navistar, Inc. (Navistar) is recalling certain 2019 International MV and 2018-2019 International HV trucks equipped with option for combined trailer stop and turn lights. When a trailer is connected to one of the affected vehicles, the trailer brake lights may not illuminate when the truck's brakes are used.
Risk
If the trailer brake lights fail to illuminate, other drivers may not be warned of the vehicle slowing, increasing the risk of a crash.
Remedy
Navistar will notify owners, and dealers will relocate the trailer brake light circuits from the trailer turn signal circuits to the vehicle brake light circuits, free of charge. The recall began October 23, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18514.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

International HV20182019
International MV2019