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Home >> Chrysler >> 2021 >> Voyager LXi, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Accessories Control Systems >> (Power Liftgate Module (PLGM) - Electrical Diagnostics) >> DTC Troubleshooting >> B21DD-16-System Voltage - Circuit Voltage Below Threshold >> Possible Causes

Possible Causes

Possible Causes
BATTERY OR VEHICLE CHARGING SYSTEM
LOW SYSTEM VOLTAGE

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

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