Error code

OBD2 U0227

OBD2U0227
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Lost Communication With 'Door Window Motor F'.

Severity

moderateYes, but you may experience inconvenience with power windows.

Summary

U0227 indicates a loss of communication between the car's data bus system and the electric window motor on the front door (F). This issue affects the functioning of the power windows.

Symptoms

  • Power window on the driver or passenger side does not work.
  • Error message appears on the dashboard indicating U0227 trouble code.

Common Causes

  • Faulty wiring or connector for the electric window motor F.
  • Malfunction in the door control module.
  • Corrosion or damage to the data bus connection point near the window motor.

Diagnosis

  1. Check for visible signs of damage or corrosion on wiring and connectors around the affected door.
  2. Use a diagnostic tool to scan for additional trouble codes that might provide more context.

Fixes

  • Repair or replace faulty wiring, connector, or control module as needed.

FAQ

How do I know if it's the wiring or the motor?

A diagnostic tool can help identify whether the issue is with the wiring or the motor itself.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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