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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Electric Vehicle Control Unit Module (EVCU) - DTCS U1110-00 To U144E-00) >> DTC Troubleshooting >> U1129-00 Lost Communication With Battery Level Indicator Module >> 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
LIN BUS COMMUNICATION DTCS
BATTERY CHARGE INDICATOR B+ CIRCUIT OPEN
BATTERY CHARGE INDICATOR GROUND CIRCUIT OPEN
LIN BUS CIRCUIT OPEN
BATTERY CHARGE INDICATOR

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