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Terex Aerial Devices Recall 17V321: Hood switch may block emergency engine shutdown

NHTSA campaign 17V321, reported May 15, 2017, 444 vehicles potentially affected.

What this recall means for you

A hood-open switch on certain Terex digger derricks and aerial devices may cause the vehicle software to disable the remote engine controls, even when the hood is closed or not actually open. If the remote engine shutdown is blocked during a hydraulic problem, the risk of injury increases.

Terex South Dakota will notify owners, and authorized dealers will reprogram the vehicles so that the hood switch only disables the engine start function when the hood is actually open. The repair is free. Owners can contact the Terex South Dakota Customer Service Department at 1-800-982-8975 and reference recall number SN659. You can also 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 17V321Terex South Dakota, Inc.
Component
ELECTRICAL SYSTEM
Problem
Terex South Dakota (TSD) is recalling certain 2012-2017 Digger Derricks and Aerial Devices, models C4000, C5000, C6000, C7000, General, HR, OM, RM,RMX, SC, SCM, TC, TCX, TL, TM, and XT, built on Freightliner chassis with SmartPlex engine controls. The vehicles have a switch to monitor whether the hood is open or not. If the switch thinks that the hood is open, the vehicle software may disable the Aerial or Digger Derrick remote engine control functions.
Risk
If the hood switch prevents the remote engine controls from shutting the vehicle engine down in the event of a hydraulic issue on the Aerial or Digger Derrick, it may increase the risk of an injury.
Remedy
TSD will notify owners, and dealers will reprogram the vehicles to only disable the engine start function if the switch indicates that the hood is open, free of charge. The recall began on June 28, 2017. Owners may contact TSD Customer Service Department at 1-800-982-8975. TSD's number for this recall is SN659.
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

Terex Aerial Devices201220132014201520162017
Terex Digger Derrick201220132014201520162017