U0221

Lost Communication With Door Switch G

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–28 (est.)

Symptoms

Interior lamps do not work when the door is opened
Incorrect operation of the alarm system
Error message on the dashboard
Door-related comfort functions do not work

Causes

Broken or damaged wiring to the sensor
Door position sensor fault G
Problems with the sensor connector
Body control module failure

How to Fix

Check the integrity of the sensor wiring and connectors
Test the door position sensor with a multimeter
Replace the door position sensor if necessary
Check and reflash the control module if there are no other faults

Related codes

U0220 U0222 U0223