OBD Guide

U0226

Lost Communication With Door Window Motor E

U0226 is an OBD-II diagnostic trouble code meaning: Lost Communication With Door Window Motor E. Common causes: open or short circuit in the motor power supply circuit, window motor malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • The power window on one of the doors does not work
  • Error indication on the dashboard
  • Intermittent operation of the window regulator
  • Clicking or no sound when trying to lower/raise the window

Causes

  • Open or short circuit in the motor power supply circuit
  • Window motor malfunction
  • Damage to the wiring harness in the door
  • Poor contact in connectors
  • Door control unit malfunction

How to Fix

  1. Check the fuse of the corresponding circuit
  2. Inspect the wiring harness in the door for damage.
  3. Check connectors and contacts for corrosion
  4. Test the window lift motor
  5. Check the operation of the door control unit

Related codes

Error U0226 by Vehicle Brand

FAQ

What does the U0226 code mean?

U0226 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Door Window Motor E

What causes a U0226 error code?

The most common causes of U0226 include: Open or short circuit in the motor power supply circuit; Window motor malfunction; Damage to the wiring harness in the door; Poor contact in connectors.

How do I fix a U0226 diagnostic trouble code?

To fix U0226: Check the fuse of the corresponding circuit. Inspect the wiring harness in the door for damage.. Check connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0226?

Yes, but get it checked soon

How much does it cost to fix U0226?

The estimated repair cost for U0226 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat