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Isuzu NPR HD Recall 20V720: Battery Cable May Short Out and Cause Fire

NHTSA campaign 20V720, reported November 20, 2020, 46 vehicles potentially affected.

What this recall means for you

The positive battery cable running to the starter may be too long and routed too close to the right-side exhaust pipe. Over time, exhaust heat can break down the cable's conduit and insulation, exposing the wires.

This can cause a short circuit, which may leave the truck unable to start or lead to a fire. Owners should contact an authorized dealer as soon as possible. The dealer will adjust the positive cable, and the repair is free of charge. You can also check your vehicle identification number (VIN) for any 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 20V720Isuzu Technical Center of America, Inc.
Component
ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
Problem
Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 Isuzu NPR-HD Gas (Crew Cab) and 2020 Chevrolet 4500 (Crew Cab) trucks equipped with 6.6L gasoline engines. The positive cable connecting the battery to the starter may be too long and may have been routed too close to the right-side exhaust pipe.
Risk
Over time, heat from the exhaust pipe may cause the conduit and insulation to deteriorate, exposing the wires, possibly causing a short circuit which could result in a no-start condition or a fire.
Remedy
Isuzu and Chevrolet will notify their respective vehicle owners and dealers of this recall, and specifically of the need to adjust the positive cable in subject vehicles, and owners will be informed that the recall repairs will be done free of charge. The recall began December 11, 2020. For additional information, Isuzu owners may contact Isuzu Customer Relations at 1-866-441-9638 and Chevrolet owners may contact the GM Medium Duty Truck assistance line at 1-800-862-4389. Isuzu's number for this recall is V2005.
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

Chevrolet LOW Cab Forward 45002020
Isuzu NPR HD2020