Hello together, Unfortunately I do not get the CEM error 8A39 gas discharge lamp module fixed. I have already tried the following: 1. Headlights changed crosswise – Error did not migrate with (left of the faults) 2. Position encoders Level 2 and 4 Volt 3. New headlights installed 4. Control unit changed under the wheel box without change. 5. Red burner unit changed crosswise Unfortunately, the error always remains left. When the engine is switched on, only the left headlight goes up and down and stays down. The left one doesn’t move at all.