B3111 2018 GMC Sierra Code - Keyless Entry Transmitter 3 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
- B3111 2018 GMC Sierra indicates Keyless Entry Transmitter 3 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 B3111 2018 GMC Sierra Description
What are the Possible Causes of the DTC B3111 2018 GMC Sierra?
- Low Keyless Entry Transmitter Battery
- Faulty Keyless Entry Transmitter
How to Fix the DTC B3111 2018 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 B3111 2018 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 B3111 2018 GMC Sierra code?
Need more information on how to fix the B3111 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about B3111 2018 GMC Sierra Code
1. What is OBDII code B3111 on a 2018 GMC Sierra related to Keyless Entry Transmitter 3 Battery?
The code B3111 is related to a low voltage condition in the Keyless Entry Transmitter 3 Battery of the vehicle.
2. What are the common symptoms of OBDII code B3111 on a 2018 GMC Sierra?
Common symptoms of this code may include issues with the keyless entry system, such as difficulty locking or unlocking the doors remotely.
3. What are the possible causes of OBDII code B3111 on a 2018 GMC Sierra?
Possible causes of this code include a weak or dead battery in the keyless entry transmitter, a faulty transmitter unit, or a problem with the vehicle's electrical system.
4. How can I diagnose the issue causing OBDII code B3111 on my 2018 GMC Sierra?
To diagnose the issue, you can start by checking the battery in the keyless entry transmitter to ensure it has enough power. If the battery is fine, you may need to inspect the transmitter unit and the vehicle's electrical connections.
5. Can I repair OBDII code B3111 on my 2018 GMC Sierra myself?
If the issue is simply a low battery in the keyless entry transmitter, you can replace the battery yourself. However, if the problem lies with the transmitter unit or the vehicle's electrical system, it may be best to consult a professional mechanic.
6. Is it safe to continue driving with OBDII code B3111 on a 2018 GMC Sierra?
While the code B3111 itself may not affect the drivability of the vehicle, it's important to address any underlying issues with the keyless entry system to ensure proper functionality and security.
7. How much does it typically cost to repair OBDII code B3111 on a 2018 GMC Sierra?
The cost of repairing this code can vary depending on the root cause of the issue. Replacing a keyless entry transmitter battery is relatively inexpensive, while fixing a faulty transmitter unit or electrical problem can be more costly.
8. Will resetting the OBDII system clear the B3111 code on my 2018 GMC Sierra?
Resetting the OBDII system may clear the code temporarily, but it will likely reappear if the underlying issue with the keyless entry system is not addressed.
9. Can extreme weather conditions affect the Keyless Entry Transmitter 3 Battery and trigger OBDII code B3111 on a 2018 GMC Sierra?
Yes, extreme temperatures can impact the performance of the keyless entry transmitter battery, potentially leading to a low voltage condition and triggering the B3111 code.
10. How can I prevent OBDII code B3111 from occurring again on my 2018 GMC Sierra?
Regularly checking and replacing the keyless entry transmitter battery as needed, keeping the transmitter unit clean and dry, and addressing any electrical issues promptly can help prevent the recurrence of the B3111 code.
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