Cummins, Inc. (Cummins) is recalling certain Electric Drivetrain part number PD7000. The electric drive train cannot detect isolation faults when the high voltage contactors are closed.
An undetected high voltage isolation can expose service personnel to high voltage, increasing the risk of injury.
Cummins will notify owners, and dealers will update the Vehicle Control Unit software or install a different combination of High Voltage Power Distribution Unit hardware, free of charge. Owner letters were mailed October 25, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
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.