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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> (Central Vision Processing Module (CVPM) - Electrical Diagnostics) >> DTC Troubleshooting >> B21DD-84-System Voltage-Signal Below Allowable Range >> Possible Causes

Possible Causes

Possible Causes
RUN RELAY OUTPUT CIRCUIT EXCESSIVE RESISTANCE
GROUND CIRCUIT EXCESSIVE RESISTANCE
VEHICLE CHARGING SYSTEM
CENTRAL VISION PROCESSING MODULE (CVPM)

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