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Voyager LXi, Gas
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(Automatic Headlamp Leveling Module (AHLM) - Electrical Diagnostics)
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DTC Troubleshooting
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B1681-00-Rear Headlamp Leveling Sensor Circuit Performance
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Set Condition
Set Condition
The Auto Headlamp Leveling Module (AHLM) detects the Pulse Width Modulation (PWM) signal duty cycle on the Rear Headlamp Leveling Sensor Signal circuit is less than 2.5% or greater than 97.5%.