LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2021 >> Voyager LXi, Gas >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> (Rear Cabin Comfort Controls (RCCC) - Electrical Diagnostics) >> DTC Troubleshooting >> B21DD-85-System Voltage-Signal Above Allowable Range >> Possible Causes

Possible Causes

Possible Causes
SYSTEM VOLTAGE HIGH
BATTERY OR CHARGING SYSTEM
REAR CABIN COMFORT CONTROLS (RCCC)

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