B3110 2015 GMC Sierra Code - Keyless Entry Transmitter 2 Battery
Quick Answer
With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the Remote Control Door Lock Receiver (RCDLR), along with the commanded keyless entry function. Common causes include Low Keyless Entry Transmitter Battery, Faulty Keyless Entry Transmitter. 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
- B3110 2015 GMC Sierra indicates Keyless Entry Transmitter 2 Battery.
- Common causes
- Common causes include Low Keyless Entry Transmitter Battery, Faulty Keyless Entry Transmitter.
- 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 B3110 2015 GMC Sierra Description
What are the Possible Causes of the DTC B3110 2015 GMC Sierra?
- Low Keyless Entry Transmitter Battery
- Faulty Keyless Entry Transmitter
How to Fix the DTC B3110 2015 GMC Sierra?
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 B3110 2015 GMC Sierra 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 B3110 2015 GMC Sierra code?
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Frequently Asked Questions about B3110 2015 GMC Sierra Code
1. What does the OBDII code B3110 mean on a 2015 GMC Sierra?
The code B3110 indicates an issue with the Keyless Entry Transmitter 2 Battery, typically related to low voltage or a malfunction in the second key fob.
2. What are the symptoms of code B3110 in a 2015 GMC Sierra?
Common symptoms include difficulty unlocking/locking doors with the second key fob, failure to start the vehicle using the second fob, or a warning message about the key fob battery.
3. What causes the B3110 code to appear?
The primary cause is a weak or dead battery in the second key fob. Other causes may include damage to the key fob or interference with the keyless entry system.
4. How do I fix the B3110 code on a 2015 GMC Sierra?
Replace the battery in the second key fob with a new one. If the problem persists, check for damage to the fob or have the keyless entry system inspected.
5. What type of battery do I need for the 2015 GMC Sierra key fob?
The key fob typically uses a CR2032 lithium coin cell battery, but you should verify the correct type in your owner’s manual.
6. Can I continue driving with code B3110 active?
Yes, the code does not affect vehicle drivability, but the second key fob may not function properly until the issue is resolved.
7. How do I reset the B3110 code after replacing the key fob battery?
The code should clear automatically once the key fob battery is replaced and the fob is functioning correctly. If not, use an OBDII scanner to clear the code.
8. How do I check if the second key fob is working after replacing the battery?
Test the key fob by locking/unlocking the doors and starting the vehicle. If it still doesn’t work, further diagnostics may be needed.
9. What if replacing the battery doesn’t fix the B3110 code?
If the issue persists, the key fob may be damaged, or there may be a fault in the vehicle’s keyless entry system. Consult a professional for further inspection.
10. Can a damaged key fob cause the B3110 code?
Yes, a physically damaged or malfunctioning key fob can trigger the B3110 code, even if the battery is new.
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