U2165
Lost Communication With Driver Door Switch
U2165 is an OBD-II diagnostic trouble code meaning: Lost Communication With Driver Door Switch. Common causes: broken wires in the door harness, oxidation of contacts in the switch connector. Estimated repair cost: $6–33.
Symptoms
- Interior lamps do not work when the driver's door is opened
- The door warning is not displayed on the dashboard
- The central locking does not respond to commands from the door switch
- Some comfort functions related to the driver's door do not work
Causes
- Broken wires in the door harness
- Oxidation of contacts in the switch connector
- Malfunction of the door switch itself
- Problems with the car's CAN bus
- Body control module malfunction
How to Fix
- Check the integrity of the wires in the door harness
- Clean the contacts in the switch connector
- Replace the driver's door switch
- Check the functionality of the CAN bus
- Scan the body control module for errors
Related codes
FAQ
What does the U2165 code mean?
U2165 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Driver Door Switch
What causes a U2165 error code?
The most common causes of U2165 include: Broken wires in the door harness; Oxidation of contacts in the switch connector; Malfunction of the door switch itself; Problems with the car's CAN bus.
How do I fix a U2165 diagnostic trouble code?
To fix U2165: Check the integrity of the wires in the door harness. Clean the contacts in the switch connector. Replace the driver's door switch. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2165?
Yes, but get it checked soon
How much does it cost to fix U2165?
The estimated repair cost for U2165 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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