U2137 Chevrolet Code - Lost Communications With Vehicle Theft Deterrent Module
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Vehicle Theft Deterrent Module, Vehicle Theft Deterrent Module harness is open or shorted, Vehicle Theft Deterrent Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U2137 Chevrolet indicates Lost Communications With Vehicle Theft Deterrent Module.
- Common causes
- Common causes include Faulty Vehicle Theft Deterrent Module, Vehicle Theft Deterrent Module harness is open or shorted, Vehicle Theft Deterrent Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code U2137 Chevrolet Description
What are the Possible Causes of the DTC U2137 Chevrolet?
- Faulty Vehicle Theft Deterrent Module
- Vehicle Theft Deterrent Module harness is open or shorted
- Vehicle Theft Deterrent Module circuit poor electrical connection
How to Fix the DTC U2137 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U2137 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about U2137 Chevrolet Code
1. What does the OBDII code U2137 mean on a Chevrolet?
U2137 indicates a loss of communication with the Vehicle Theft Deterrent Module (VTD), which plays a role in the vehicle's security system.
2. What are the symptoms of the U2137 code?
Common symptoms include the engine failing to start, security warning lights on the dashboard, or intermittent electrical issues.
3. What causes the U2137 code to appear?
Typical causes include a faulty Vehicle Theft Deterrent Module, damaged or corroded wiring, a malfunctioning control module, or a weak battery.
4. Can a dead battery cause the U2137 code?
Yes, a weak or dead battery can disrupt communication between modules, potentially triggering the U2137 code.
5. How do you diagnose the U2137 code?
Diagnosis involves checking for loose, damaged, or corroded wiring, inspecting the VTD module, testing the battery and fuses, and using a scan tool to monitor communication between modules.
6. Can I drive with the U2137 code?
In most cases, the vehicle may not start due to the security system being affected, so driving is typically not possible.
7. How is the U2137 code fixed?
Repairs may include replacing a faulty VTD module, repairing damaged wiring or connectors, updating module software, or resetting the system using a scan tool.
8. Does the U2137 code always mean the VTD module is bad?
No, the code could also be caused by wiring issues, communication errors, or even a low battery, so a thorough diagnosis is essential.
9. How much does it cost to fix the U2137 code?
Repair costs vary depending on the cause, but replacing the VTD module can range from $200 to $500, excluding labor costs.
10. Can a software update resolve the U2137 code?
In some cases, reprogramming or updating the vehicle’s control modules may resolve communication errors and clear the U2137 code.
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