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Home >> Jeep >> 2010 >> Grand Cherokee SRT-8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> (Front Control Module (FCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0181-Lost Communication With Headlamp Leveling Translator (AHLM) >> Theory Of Operation
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Theory Of Operation

The Automatic Headlamp Leveling Module (AHLM) (also known as the Headlamp Leveling Translator) is attached to and is part of the High Intensity Discharge Lamp assembly on the right side of the vehicle. For a description of how the system works. Refer to Electrical/Lamps/Lighting - Exterior/MODULE, Headlamp Leveling - Description