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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Electrical >> Gauges >> (Instrument Cluster - Electrical Diagnostics) >> DTC Troubleshooting >> B21DD-85-System Voltage - Signal Voltage Above Allowable Range >> Possible Causes

Possible Causes

Possible Causes
BATTERY OR CHARGING SYSTEM VOLTAGE HIGH
INSTRUMENT PANEL CLUSTER (IPC)

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