Affected Component: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

Date Published
OCT 21, 2023
NHTSA TSB #
10247482
TSB Document
Summary
Flash: Body Control Module (BCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? B25C9 - Driver Door Ajar Switch 2 Stuck Closed. ? U1412-09 - ASU (Alarm Siren Unit) - Component Failures. ? U1413-09 - UAM (Ultrasonic And Antitilt Module) - Component Failures. Customers may comment on the following: ? When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened (engine off), the Headlamps On alert chime activates until the headlamps turn themselves off (no chime should be heard while in this mode). This bulletin involves reprogramming the BCM with the latest available software.