U110D
Lost Communication With Security Siren
U110D is an OBD-II diagnostic trouble code meaning: Lost Communication With Security Siren. Common causes: broken or damaged wiring harness to the siren, security siren malfunction. Estimated repair cost: $17–89.
Symptoms
- Check engine light is on
- The alarm does not go off when there is an attempted theft
- Security system fault message on dashboard
- Problems with remote start (if installed)
Causes
- Broken or damaged wiring harness to the siren
- Security siren malfunction
- Problems with the siren circuit fuse
- Safety control unit malfunction
- Corrosion of contacts or connectors
How to Fix
- Check siren circuit fuses
- Inspect the wiring harness for damage
- Check the connections and contacts of the siren connector
- Test or replace the safety siren
- Repair only from an authorized dealer
Related codes
FAQ
What does the U110D code mean?
U110D is an OBD-II diagnostic trouble code that indicates: Lost Communication With Security Siren
What causes a U110D error code?
The most common causes of U110D include: Broken or damaged wiring harness to the siren; Security siren malfunction; Problems with the siren circuit fuse; Safety control unit malfunction.
How do I fix a U110D diagnostic trouble code?
To fix U110D: Check siren circuit fuses. Inspect the wiring harness for damage. Check the connections and contacts of the siren connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U110D?
Yes, but get it checked soon
How much does it cost to fix U110D?
The estimated repair cost for U110D is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat