U011D

Symptoms

• Check Engine Light Is On
• Disabling the all-wheel drive system
• Incorrect operation of the AWD system
• Other related errors appear
• The car may go into emergency mode

Causes

• Broken or damaged CAN bus wires
• Four-wheel drive control module malfunction
• AWD module power problems
• Short circuit in communication circuit
• Poor contact in module connectors

How to Fix

1. Check the integrity of the CAN bus wiring
2. Check power and ground of AWD module
3. Inspect the module connectors for oxidation
4. Scan the AWD module for errors
5. If necessary, replace the four-wheel drive control module

Related codes

Error U011D by Vehicle Brand