A571508 2039814-

Supersedes Technical Service Bulletin Group 57 number 15-07 dated February 13, 2015. A remote key low battery warning icon and the warning message "Please change key battery" appear in the instrument cluster. DTC B147918 (Remote key 1 voltage too low) is logged in the vehicle electrical system control module (BCM1). The remote key battery is correct. Incorrect diagnostics for determining low remote key battery voltage in the software of the vehicle electrical system control module (BCM1). The software was improved for series production.