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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 ((Automatic Headlamp Leveling Module (AHLM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B1680-29-Rear Headlamp Leveling Sensor-Signal Invalid >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
HEADLAMP LEVELING SENSOR REAR SIGNAL SHORTED TO VOLTAGE
HEADLAMP LEVELING SENSOR REAR SIGNAL SHORTED TO GROUND
HEADLAMP LEVELING SENSOR REAR SIGNAL OPEN
REAR HEADLAMP LEVEL SENSOR
AUTOMATIC HEADLAMP LEVELING MODULE (AHLM)
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