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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> (Rear Right Door Module (DMRR) - Electrical Diagnostics) >> DTC Troubleshooting >> B21DD-85 System Voltage-Signal Above Allowable Range >> Possible Causes

Possible Causes

Possible Causes
HIGH BATTERY SYSTEM VOLTAGE
CHARGING SYSTEM
RIGHT REAR DOOR MODULE (DMRR)

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

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