OBD Guide

U0201

Lost Communication With Door Control Module C

U0201 is an OBD-II diagnostic trouble code meaning: Lost Communication With Door Control Module C. Common causes: problems with door module wiring or connectors, door control module malfunction. Estimated repair cost: $56–167.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

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

FAQ

What does the U0201 code mean?

U0201 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Door Control Module C

What causes a U0201 error code?

The most common causes of U0201 include: Problems with door module wiring or connectors; Door control module malfunction; Problems with module power or grounding; Short circuit in the CAN bus circuit.

How do I fix a U0201 diagnostic trouble code?

To fix U0201: Check the integrity of the door module wiring and connectors. Check power supply and grounding of the module. Scan other modules for communication errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0201?

Yes, but get it checked soon

How much does it cost to fix U0201?

The estimated repair cost for U0201 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat