In the affected vehicles, a battery drain may occur under a certain sequence of events due to a logic...

Bulletin number

21B07

Component

Electrical system

Summary

In the affected vehicles, a battery drain may occur under a certain sequence of events due to a logic error in the ITRM. Under certain specific sequence, the ITRM battery drain may result in the inability to start the vehicle. A customer could experience a battery drain within 14 hours under the following conditions: the trailer is connected, vehicle is unlocked, parked, and the engine is off.

Owners of these vehicles have filed 130 complaints in the electrical category.