U0136
Lost Communication with Leveling Control Module
2002-2007 Buick Rendezvous 3.5L V6
Low SeverityNetworkGeneric (SAE)
Description
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.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0136 on Other Vehicles
Common Questions
What does code U0136 mean on a 2002-2007 Buick Rendezvous?
U0136 stands for "Lost Communication with Leveling Control Module". Cannot communicate with the automatic leveling or load-leveling suspension module.
What are the symptoms of U0136 on a Buick Rendezvous?
Common symptoms of U0136 include: Headlight auto-leveling disabled, Vehicle sitting unevenly, Leveling warning message.
What causes U0136 on a 2002-2007 Buick Rendezvous?
Common causes of U0136 include: Leveling module failure, CAN bus wiring, Module power loss, Height sensor issue.