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Vehicle recall 19V647000 · September 9, 2019

Chevrolet LOW Cab Forward 3500, Chevrolet LOW Cab Forward 4500 and 3 more models

The power supply bolt in the relay box may not have been properly tightened during harness production at the supplier.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2017-2019 N-GAS HD and Chevrolet Low Cab Forward 3500 and 4500 vehicles and 2018-2019 Isuzu FTR and Chevrolet Low Cab Forward 6500XD vehicles. The power supply bolt in the relay box may not have been properly tightened during harness production at the supplier. This may lead to melting of the power wire and/or a loss of electrical power to the vehicle, which can lead to a stall.
Consequence
A stall can increase the risk of a crash.
Remedy
Isuzu will notify owners, and dealers will inspect the relay box power supply bolt, tightening it as necessary. If the harness or relay box is found to be damaged, it will be replaced or repaired, free of charge. The recall began October 24, 2019. Owners may contact Isuzu customer service at 1-866-441-9638. Isuzu's number for this recall is V1905.
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.

Recall details

NHTSA campaign
19V647000
Reported to NHTSA
September 9, 2019
Filed by
Isuzu Technical Center of America, Inc.
Manufacturer campaign
V1905
Owner notification
October 24, 2019
Vehicles potentially affected
16,766
Initiated by
the manufacturer
Components
Electrical system › Wiring
Recall 19V647000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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