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Home >> Jeep >> 2021 >> Cherokee Trailhawk >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> (Adaptive Front Lighting System Module - Electrical Diagnostics) >> DTC Troubleshooting >> U1103-00-Lost Communication With Right Headlamp Leveling Control Module- >> Possible Causes

Possible Causes

Possible Causes
FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED TO GROUND
GROUND CIRCUIT OPEN
LIN LIGHTING CIRCUIT OPEN OR SHORTED TO GROUND
LIN LIGHTING CIRCUIT SHORTED TO VOLTAGE
HEADLAMP LEVELING MOTOR (RIGHT HEADLAMP ASSEMBLY)
ADAPTIVE FRONT LIGHTING SYSTEM (AFLS)

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