When a system shutdown occurs, the high voltage shutdown override switch may not function, with no warning to the driver.
An unexpected vehicle shutdown without the ability to override it, can increase the risk of a crash.
What to do
Dealers will inspect and update -- as necessary -- the parameter settings for the protection override switch free of charge.
Owner notification letters are expected to be mailed October 29, 2021.
Owners may contact Cummins customer service at (800) 286-6467. Cummins number for this recall is C2491.