Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest...

Bulletin number

08-054-20

Component

Power train

Summary

Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination or describe the following symptoms:B1007-15 - Front-Lateral Left Turn Light-Circuit Short To Battery Or Open(2020 MY only). B1008-15 - Front-Lateral Right Turn Light-Circuit Short To Battery Or Open(2020 MY only). B1107-15 - Rear Left Turn Light-Circuit Short To Battery Or Open(2020 MY only). B1108-15 - Rear Right Turn Light-Circuit Short To Battery Or Open(2020 MY only). When the doors' lock is activated by the key, the anti-theft system signals with three beeps and blinks the turn lamps nine times, without any open door or open window(2020 MY only). The customer may also experience an intermittent message ?Service Power Steering? appearing on Electronic Vehicle Information Center (EVIC), without loosing the power steering assistance, followed by the DTC:C1214-87 - Conf Data Code Request Message - Missing Message. The customer may also experience an intermittent MIL ?Exterior Bulb Failure Indicator? illumination and any exterior lights or bulbs are malfunctioning, followed by the DTC's:B100A-15 - Combined Rear Right Stop And Park Ch 1 - Circuit Short To Battery Or Open. B100B-15 - Combined Rear Left Stop And Park Ch 2 - Circuit Short To Battery Or Open. B100C-15 - Combined Rear Right Stop And Park Ch 2 - Circuit Short To Battery Or Open.

Owners of these vehicles have filed 15 complaints in the transmission category.