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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B1000-44 To B1072-11 >> DTC Troubleshooting >> B1020-15-Reverse Gear Lights - Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

Possible Causes
BACKUP LAMP FEED CIRCUIT SHORTED TO VOLTAGE
BACKUP LAMP FEED CIRCUIT OPEN
GROUND CIRCUIT OPEN
BACKUP LAMP
INSIDE REARVIEW MIRROR
BODY CONTROL MODULE (BCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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