B3112 GMC Code - Keyless Entry Transmitter 4 Battery
Quick Answer
The B3112 diagnostic trouble code (DTC) for GMC vehicles refers to an issue with the Keyless Entry Transmitter 4 Battery. Common causes include Dead or low battery in the keyless entry transmitter, Faulty keyless entry transmitter, Poor connection between the transmitter and the vehicle's receiver. 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
- B3112 GMC indicates Keyless Entry Transmitter 4 Battery.
- Common causes
- Common causes include Dead or low battery in the keyless entry transmitter, Faulty keyless entry transmitter, Poor connection between the transmitter and the vehicle's receiver.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B3112 GMC Description
The B3112 diagnostic trouble code (DTC) for GMC vehicles refers to an issue with the Keyless Entry Transmitter 4 Battery. This code indicates that there is a problem with the battery in the fourth keyless entry transmitter, which is used for keyless entry and remote start functions. The keyless entry transmitter sends signals to the vehicle's receiver to unlock the doors, activate the alarm, and start the engine remotely.
Common Causes of B3112 GMC
- Dead or low battery in the keyless entry transmitter
- Faulty keyless entry transmitter
- Poor connection between the transmitter and the vehicle's receiver
- Electrical issues in the keyless entry system
- Water damage to the keyless entry transmitter
Symptoms of B3112 GMC
- Difficulty in unlocking or locking the doors remotely
- Inability to start the engine remotely
- Alarm system not responding to keyless entry commands
- Reduced range for keyless entry functions
- Warning light on the instrument cluster indicating a keyless entry system fault
How to Fix B3112 GMC
- Replace the battery in the keyless entry transmitter
- Test the keyless entry transmitter for functionality
- Check and clean the connections between the transmitter and the receiver
- Inspect the keyless entry system for any other faults or damage
- Reset the keyless entry system and reprogram the transmitters if necessary
Cost to Fix B3112 GMC
The cost of repairing a keyless entry transmitter 4 battery issue can vary depending on the specific problem and the cost of parts and labor in your area. Typically, replacing the battery in a keyless entry transmitter is a relatively inexpensive repair, with the cost of a new battery ranging from $5 to $20. However, if the issue is more complex and requires the replacement of the transmitter or other components, the cost can increase significantly. On average, the total repair cost for this issue can range from $50 to $200, including parts and labor. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.
Need more information about the B3112 GMC code?
Need more information on how to fix the B3112 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3112 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- B3112 2014 GMC Sierra — Keyless Entry Transmitter 4 Battery
- B3112 2015 GMC Sierra — Keyless Entry Transmitter 4 Battery
- B3112 2016 GMC Sierra — Keyless Entry Transmitter 4 Battery
- B3112 2017 GMC Sierra — Keyless Entry Transmitter 4 Battery
- B3112 2018 GMC Sierra — Keyless Entry Transmitter 4 Battery
Frequently Asked Questions about B3112 GMC Code
1. What are the common symptoms of OBDII code B3112 GMC related to the Keyless Entry Transmitter 4 Battery?
The common symptoms include the key fob not working, the remote keyless entry system malfunctioning, and the vehicle's doors not responding to remote locking/unlocking commands.
2. What causes the OBDII code B3112 GMC related to the Keyless Entry Transmitter 4 Battery?
This code is typically triggered by a low or dead battery in the fourth key fob transmitter, which causes a loss of communication between the transmitter and the vehicle's receiver.
3. How can I diagnose the issue behind OBDII code B3112 GMC for Keyless Entry Transmitter 4 Battery?
You can start by checking the battery level of the fourth key fob transmitter using a battery tester, replacing the battery if necessary, and reprogramming the transmitter to the vehicle.
4. Can a malfunctioning Keyless Entry Transmitter 4 Battery cause other issues in the vehicle?
Yes, a malfunctioning key fob transmitter can lead to other problems such as difficulty in accessing the vehicle, security system issues, and inconvenience in operating the remote keyless entry system.
5. Is it possible to reset the OBDII code B3112 GMC without replacing the key fob transmitter battery?
In some cases, simply replacing the battery in the fourth key fob transmitter and reprogramming it to the vehicle can reset the code and resolve the issue without the need for further repairs.
6. How long does it take to replace the battery in the Keyless Entry Transmitter 4 for a GMC vehicle?
Replacing the battery in the key fob transmitter is a quick and simple task that typically takes only a few minutes to complete, depending on the type of key fob and the availability of a replacement battery.
7. Are there any aftermarket solutions available for fixing OBDII code B3112 GMC related to the Keyless Entry Transmitter 4 Battery?
Yes, there are aftermarket key fob batteries and replacement key fobs available in the market that can be used as alternatives to the original equipment from GMC for resolving this issue.
8. Can a DIY enthusiast perform the repairs for OBDII code B3112 GMC on their own?
Yes, replacing the battery in the key fob transmitter and reprogramming it to the vehicle can be done by DIY enthusiasts with basic automotive knowledge and the right tools to complete the task.
9. What are the potential risks of ignoring the OBDII code B3112 GMC for Keyless Entry Transmitter 4 Battery?
Ignoring this code can lead to further key fob transmitter failures, complete loss of remote keyless entry functionality, and potential security concerns related to accessing and securing the vehicle.
10. Is it necessary to visit a dealership for repairs related to OBDII code B3112 GMC on a GMC vehicle?
While visiting a dealership is an option, you can also address the issue by replacing the key fob transmitter battery and reprogramming it yourself or seeking assistance from an independent automotive repair shop specializing in keyless entry systems.
Discuss the causes and fixes for B3112 GMC OBDII Code
Code B3112 GMC 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.