Network
generic / SAE
U0182
Lost Communication with Headlamp Leveling Control Module
The vehicle network has lost the headlamp leveling controller. Automatic leveling is disabled and the lamps stay in a default position; on many vehicles the headlight warning comes on.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number1 / 82
Possible causes
- Leveling module unpowered high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 60–500 €
- Estimated time: 0.5–2 h
- Component: headlamp leveling module
- Component: can bus wiring
Sources
References
sae:J2012