U1523 Code – Headlamp Control Module/Headlamp Leveling Control Module Lost Communication With Left Headlamp On LIN Bus
What are the Possible Causes of the Code U1523?
- Faulty Left Headlamp Left Headlamp harness is open or shorted
- Left Headlamp circuit poor electrical connection
- Faulty Headlamp Control Module/Headlamp Leveling Control Module
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