U0201

Symptoms

• Power windows don't work
• Problems with central locking
• Power mirrors do not function
• Possible errors in other systems
• Error message on the dashboard

Causes

• Problems with door module wiring or connectors
• Door control module malfunction
• Problems with module power or grounding
• Short circuit in the CAN bus circuit
• Main ECU malfunction

How to Fix

1. Check the integrity of the door module wiring and connectors
2. Check power supply and grounding of the module
3. Scan other modules for communication errors
4. Replacing the door control module if necessary
5. Vehicle CAN bus diagnostics

Related codes

Error U0201 by Vehicle Brand