B3101 GMC Code - Keyless Entry Data Link Circuit
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
- B3101 GMC indicates Keyless Entry Data Link Circuit.
- 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 B3101 GMC Description
What are the Possible Causes of the DTC B3101 GMC?
- 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 B3101 GMC?
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 B3101 GMC 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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Information for Specific GMC Models
- B3101 2014 GMC Sierra — Keyless Entry Data Link Circuit
- B3101 2015 GMC Sierra — Keyless Entry Data Link Circuit
- B3101 2016 GMC Sierra — Keyless Entry Data Link Circuit
- B3101 2017 GMC Sierra — Keyless Entry Data Link Circuit
- B3101 2018 GMC Sierra — Keyless Entry Data Link Circuit
Frequently Asked Questions about B3101 GMC Code
1. What are the common symptoms of OBDII code B3101 in a GMC related to the Keyless Entry Data Link Circuit?
The common symptoms include malfunctioning keyless entry system, inability to lock or unlock doors remotely, and issues with the remote start feature.
2. What are the possible causes of OBDII code B3101 GMC Keyless Entry Data Link Circuit?
The code may be triggered by damaged wiring, faulty keyless entry module, blown fuses, or a malfunctioning receiver located in the vehicle.
3. How can I diagnose OBDII code B3101 related to the Keyless Entry Data Link Circuit in my GMC?
Diagnosis involves inspecting the wiring for any visible damage, testing the keyless entry module for proper functioning, and checking the fuses related to the system.
4. Can I repair OBDII code B3101 GMC Keyless Entry Data Link Circuit myself?
Depending on your skill level and access to tools, you may be able to repair this issue yourself by replacing damaged wiring, the keyless entry module, or any blown fuses. However, seeking professional help is recommended for complex electrical issues.
5. Is it safe to continue driving with OBDII code B3101 GMC Keyless Entry Data Link Circuit unresolved?
While driving with this code may not directly affect the vehicle's performance, it is advisable to address the issue promptly to ensure the proper functioning of the keyless entry system and related features.
6. Can resetting the OBDII system clear the B3101 code related to Keyless Entry Data Link Circuit in my GMC?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear upon further system checks.
7. How much can I expect to pay for professional repairs of OBDII code B3101 GMC Keyless Entry Data Link Circuit?
The cost of professional repairs for this code can vary depending on the extent of the issue, the labor rates of the service provider, and the cost of any replacement parts needed.
8. Is OBDII code B3101 GMC Keyless Entry Data Link Circuit a common issue in certain GMC models?
This code may be more commonly reported in specific GMC models that have keyless entry systems, but it can potentially occur in any vehicle equipped with such a system.
9. Are there any preventive measures to avoid OBDII code B3101 related to the Keyless Entry Data Link Circuit in my GMC?
Regularly checking the keyless entry system for any signs of malfunction, such as unresponsive key fobs or door locks, can help prevent issues that may trigger this code.
10. Can extreme weather conditions impact the occurrence of OBDII code B3101 GMC Keyless Entry Data Link Circuit?
Extreme weather conditions, such as extreme heat or cold, can potentially affect the performance of electronic components in the keyless entry system, leading to issues that may trigger this code.
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