U2137
Lost Communications With Vehicle Theft Deterrent Module
U2137 is an OBD-II diagnostic trouble code meaning: Lost Communications With Vehicle Theft Deterrent Module. Common causes: open or short circuit in the module circuit, malfunction of the anti-theft system module. Estimated repair cost: $56–222.
Symptoms
- The car won't start
- The anti-theft system indicator is flashing
- Loss of communication with other modules
- Engine stalls after starting
- Security Errors on Dashboard
Causes
- Open or short circuit in the module circuit
- Malfunction of the anti-theft system module
- Module power problems
- Corrosion of contacts or connectors
- Software failure in ECU
How to Fix
- Check the integrity of the wiring harness to the module
- Check fuses and relays associated with the module
- Clean the module connector contacts
- Conduct diagnostics of the anti-theft system module
- Reflash the ECU if necessary
- Repair only from an authorized dealer
Related codes
FAQ
What does the U2137 code mean?
U2137 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Vehicle Theft Deterrent Module
What causes a U2137 error code?
The most common causes of U2137 include: Open or short circuit in the module circuit; Malfunction of the anti-theft system module; Module power problems; Corrosion of contacts or connectors.
How do I fix a U2137 diagnostic trouble code?
To fix U2137: Check the integrity of the wiring harness to the module. Check fuses and relays associated with the module. Clean the module connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2137?
Do not drive — repair immediately
How much does it cost to fix U2137?
The estimated repair cost for U2137 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat