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(Automatic Headlamp Leveling Module (AHLM) - Electrical Diagnostics)
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DTC Troubleshooting
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B167D-00 Front Headlamp Leveling Sensor Circuit Performance
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Set Condition
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Set Condition
The Auto Headlamp Leveling Module (AHLM) detects the Pulse Width Modulation (PWM) signal duty cycle on the Front Headlamp Leveling Sensor Signal circuit is less than 2.5% or greater than 97.5%.