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Home >> Dodge and Ram >> 2021 >> Durango SRT >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 ((Adaptive Front Lighting System Module - Electrical Diagnostics)) >> DTC Troubleshooting >> B1681-00-Rear Headlamp Leveling Sensor Circuit Performance >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2021 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
HEADLAMP LEVELING SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
HEADLAMP LEVELING SENSOR 5 VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
HEADLAMP LEVELING SENSOR 5 VOLT RETURN SHORTED TO VOLTAGE
HEADLAMP LEVELING SENSOR 5 VOLT RETURN SHORTED TO GROUND
HEADLAMP LEVELING SENSOR 5 VOLT RETURN CIRCUIT OPEN OR HIGH RESISTANCE
REAR HEADLAMP LEVELING SENSOR SIGNAL SHORTED TO VOLTAGE
REAR HEADLAMP LEVELING SENSOR SIGNAL SHORTED TO GROUND
REAR HEADLAMP LEVELING SENSOR SIGNAL OPEN OR HIGH RESISTANCE
HEADLAMP LEVELING SENSOR LINKAGE LOOSE OR DAMAGED
REAR HEADLAMP LEVEL SENSOR
ADAPTIVE FRONT LIGHTING SYSTEM (AFLS) MODULE