U0136low severityNetwork
Lost Communication with Leveling Control Module
on 2000 Audi A4 2.8L V6 · AWD
What this code means
Cannot communicate with the automatic leveling or load-leveling suspension module.
Symptoms
- Headlight auto-leveling disabled
- Vehicle sitting unevenly
- Leveling warning message
Common causes
- Leveling module failure
- CAN bus wiring
- Module power loss
- Height sensor issue
Diagnostic steps
- Check leveling module fuse
- Test power and ground
- Check CAN wiring
- Test height sensors
- Inspect leveling actuators
Repair notes
Check fuses and height sensor operation. Common issue after suspension work.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
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01312
Powertrain Data Bus - Defective
01314
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01316
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U0001
High Speed CAN Communication Bus