B3106 Code - Keyless Entry Data Link
Quick Answer
The Body Control Module (BCM) communicates with the Remote Control Door Lock Receiver (RCDLR) through the keyless entry serial data circuits. Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver harness is open or shorted, Remote Control Door Lock Receiver 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
- B3106 indicates Keyless Entry Data Link.
- Common causes
- Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver harness is open or shorted, Remote Control Door Lock Receiver 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 B3106 Description
What are the Possible Causes of the DTC B3106?
- Faulty Remote Control Door Lock Receiver (RCDLR)
- Remote Control Door Lock Receiver harness is open or shorted
- Remote Control Door Lock Receiver circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3106?
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 B3106 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.
Need more information about the B3106 code?
Need more information on how to fix the B3106 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3106 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B3106 Buick — Keyless Entry Data Link
- B3106 Cadillac — Keyless Entry Data Link
- B3106 Chevrolet — Keyless Entry Data Link
- B3106 GMC — Keyless Entry Data Link
Frequently Asked Questions about B3106 Code
1. What does OBDII code B3106 mean?
Code B3106 indicates an issue with the Keyless Entry Data Link, which is responsible for communication between the keyless entry system and the vehicle's control module.
2. What are the common symptoms of code B3106?
Typical symptoms include the keyless entry system not working, failure to lock or unlock doors remotely, or issues starting the vehicle if it uses a keyless ignition system.
3. What causes the B3106 code to appear?
The code can be triggered by a faulty keyless entry module, damaged wiring or connectors in the data link circuit, software glitches, or interference from external electronic devices.
4. Can a dead key fob battery cause the B3106 code?
No, a dead key fob battery typically does not trigger this code. However, it can cause similar symptoms, so the battery should be checked first.
5. How can I diagnose the B3106 code?
Start by inspecting the keyless entry module and its wiring for damage or loose connections. Use a scan tool to verify the code and check for related codes that might help pinpoint the issue.
6. Can interference from other electronics cause code B3106?
Yes, electronic interference from devices like cell phones or other wireless systems can sometimes disrupt the keyless entry signal, though this is less common.
7. How is the B3106 code typically fixed?
Repairs may include replacing a faulty keyless entry module, repairing or replacing damaged wiring or connectors, or reprogramming the system if a software issue is found.
8. Is it safe to drive with code B3106?
Yes, the vehicle is typically safe to drive, but convenience features like keyless entry or ignition may not function properly until the issue is resolved.
9. How much does it cost to fix the B3106 code?
The repair cost will vary depending on the specific issue. Replacing a keyless entry module can cost $200-$500, while wiring repairs may be less expensive.
10. Can I clear the B3106 code without fixing it?
Clearing the code with a scan tool may temporarily reset the system, but the code will likely return if the underlying issue is not addressed.
Discuss the causes and fixes for B3106 OBDII Code
Code B3106 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
