DTC Troubleshooting: U0139-00 (Radar Vision Unit) (2025): Notes

DTC U0139-00  : Lost Communication With Electronic Air Suspension Control Unit (Radar Vision Unit)

How to use this service information .

NOTICE: 

Before you troubleshoot, review the How to Troubleshoot .

NOTE: 

• If the electronic air suspension control unit does not start normally, DTC may be stored.
• Check the power circuit and ground circuit of the electronic air suspension control unit.