U0221
Lost Communication With Door Switch G
U0221 is an OBD-II diagnostic trouble code meaning: Lost Communication With Door Switch G. Common causes: broken or damaged wiring to the sensor, door position sensor fault g. Estimated repair cost: $6–28.
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
Error U0221 by Vehicle Brand
FAQ
What does the U0221 code mean?
U0221 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Door Switch G
What causes a U0221 error code?
The most common causes of U0221 include: Broken or damaged wiring to the sensor; Door position sensor fault G; Problems with the sensor connector; Body control module failure.
How do I fix a U0221 diagnostic trouble code?
To fix U0221: Check the integrity of the sensor wiring and connectors. Test the door position sensor with a multimeter. Replace the door position sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0221?
Yes, but get it checked soon
How much does it cost to fix U0221?
The estimated repair cost for U0221 is $6–28. Actual cost depends on your vehicle, location, and labor rates.
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