Audi A3 Cabriolet 2015 — technical service bulletin
Bulletin A571508 2039814- · NHTSA communication 10119948 · issued Mar 6, 2015
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.