U0136low severityNetwork
Lost Communication with Leveling Control Module
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
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
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus