B3103 GMC Code - Keyless Entry Data Link Circuit High
Quick Answer
The Remote Control Door Lock Receiver (RCDLR) communicates with the Body Control Module (BCM) through the keyless entry serial data circuit. Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver (RCDLR) harness is open or shorted, Remote Control Door Lock Receiver (RCDLR) 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
- B3103 GMC indicates Keyless Entry Data Link Circuit High.
- Common causes
- Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver (RCDLR) harness is open or shorted, Remote Control Door Lock Receiver (RCDLR) 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 B3103 GMC Description
What are the Possible Causes of the DTC B3103 GMC?
- Faulty Remote Control Door Lock Receiver (RCDLR)
- Remote Control Door Lock Receiver (RCDLR) harness is open or shorted
- Remote Control Door Lock Receiver (RCDLR) circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3103 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 B3103 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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Frequently Asked Questions about B3103 GMC Code
1. What are the common symptoms of OBDII code B3103 GMC (Keyless Entry Data Link Circuit High)?
- Common symptoms include malfunctioning keyless entry system, inability to remotely lock/unlock doors, and intermittent issues with the vehicle's anti-theft system.
2. What are the possible causes of OBDII code B3103 GMC?
- Possible causes include damaged wiring or connectors in the keyless entry system, a faulty key fob, issues with the body control module (BCM), or a problem with the vehicle's communication network.
3. How can I diagnose OBDII code B3103 GMC?
- Diagnosis typically involves using a scan tool to retrieve the code, checking for related codes, inspecting the keyless entry system components, and performing circuit tests to identify the source of the high voltage condition.
4. Is it safe to continue driving with OBDII code B3103 GMC present?
- While the vehicle should still be safe to drive, it is recommended to address the issue promptly to avoid potential inconvenience and security concerns associated with a malfunctioning keyless entry system.
5. Can I repair OBDII code B3103 GMC myself?
- Depending on your automotive repair skills and access to tools, you may be able to address this issue yourself by inspecting wiring, connectors, and key fobs for damage, and repairing or replacing faulty components as needed.
6. How much does it typically cost to repair OBDII code B3103 GMC at a professional auto repair shop?
- Repair costs can vary depending on the exact cause of the code and the labor rates of the repair shop. Generally, you can expect to pay anywhere from $100 to $300 for diagnostics and repairs related to this code.
7. Are there any simple troubleshooting steps I can take before seeking professional help for OBDII code B3103 GMC?
- Yes, you can start by checking the key fob battery, ensuring that the key fob is functioning properly, and inspecting visible wiring and connectors for damage before considering more in-depth diagnostics.
8. Will resetting the vehicle's computer clear OBDII code B3103 GMC?
- Resetting the vehicle's computer may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again by the system.
9. Can extreme weather conditions affect the triggering of OBDII code B3103 GMC?
- Extreme weather conditions, such as extreme cold or heat, can potentially affect electrical components and wiring in the keyless entry system, leading to intermittent issues that may trigger the code.
10. How long does it typically take to repair OBDII code B3103 GMC?
- The repair time can vary depending on the specific cause of the code and the complexity of the repair. In general, a professional mechanic may take anywhere from 1 to 3 hours to diagnose and fix the issue.
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