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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Body Control Module (BCM) - DTCS B101E-15 To B1041-12) >> DTC Troubleshooting >> B1020-15 Reverse Gear Lights - Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
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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