Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Date Published
APR 07, 2021
NHTSA TSB #
10221099
TSB Document
Summary
BATTERY (Auxiliary) If the auxiliary battery has failed GR8 testing, please check TSB 18-002-19 REV A for applicability prior to the battery replacement. This PCM software enhances the Active Grill Shutter cooling efficiency to address auxiliary battery overheat/dry out conditions.