B3112 Code - Keyless Entry Transmitter 4 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
- B3112 indicates Keyless Entry Transmitter 4 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 B3112 Description
What are the Possible Causes of the DTC B3112?
- Low Keyless Entry Transmitter Battery
- Faulty Keyless Entry Transmitter
How to Fix the DTC B3112?
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 B3112 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 B3112 code?
Need more information on how to fix the B3112 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3112 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B3112 Buick — Keyless Entry Transmitter 4 Battery
- B3112 Cadillac — Keyless Entry Transmitter 4 Battery
- B3112 Chevrolet — Keyless Entry Transmitter 4 Battery
- B3112 GMC — Keyless Entry Transmitter 4 Battery
Frequently Asked Questions about B3112 Code
1. What are the common symptoms of OBDII code B3112 (Keyless Entry Transmitter 4 Battery)?
- The common symptoms include the keyless entry transmitter not working, difficulty locking or unlocking the vehicle remotely, or receiving low battery warnings.
2. What are the possible causes of OBDII code B3112?
- The code B3112 typically indicates a low battery level in the keyless entry transmitter 4. This can be due to an actual low battery, a faulty transmitter, or a communication issue between the transmitter and the vehicle.
3. How can I troubleshoot OBDII code B3112 related to the keyless entry transmitter battery?
- Start by replacing the battery in the keyless entry transmitter with a new one. If the issue persists, try reprogramming the transmitter or checking for any loose connections or damaged components.
4. Can a weak car battery cause OBDII code B3112 to trigger?
- While a weak car battery may not directly trigger code B3112, it can lead to electrical issues that affect the keyless entry system. It's recommended to ensure the car battery is in good condition to prevent related problems.
5. Is it safe to continue using the vehicle with OBDII code B3112 present?
- It is generally safe to continue using the vehicle with the B3112 code related to the keyless entry transmitter battery. However, it's important to address the issue promptly to avoid potential inconvenience or failure of the keyless entry system.
6. How do I reset OBDII code B3112 after replacing the keyless entry transmitter battery?
- In most cases, the code B3112 will clear on its own after the new battery is installed and the keyless entry system is functioning properly. If the code persists, a scan tool can be used to clear the code manually.
7. Can moisture or water damage cause OBDII code B3112 to appear?
- Yes, moisture or water damage can potentially affect the keyless entry transmitter's battery and trigger code B3112. It's essential to keep the transmitter dry and protected from water to prevent such issues.
8. Are there any DIY repair tips for fixing OBDII code B3112 on my own?
- DIY repair tips may include replacing the keyless entry transmitter battery, cleaning any corroded contacts, ensuring a secure connection, and reprogramming the transmitter according to the vehicle's manual.
9. How often should I replace the battery in the keyless entry transmitter to prevent OBDII code B3112?
- It is recommended to replace the battery in the keyless entry transmitter as soon as you notice any symptoms of low battery or every 1-2 years as part of regular maintenance to prevent OBDII code B3112 from occurring.
10. Can a dealership or automotive technician help diagnose and repair OBDII code B3112 if I'm unable to resolve it myself?
- Yes, if you're unable to diagnose or repair OBDII code B3112 related to the keyless entry transmitter battery on your own, a dealership or automotive technician with the necessary tools and expertise can assist in resolving the issue efficiently.
Discuss the causes and fixes for B3112 OBDII Code
Code B3112 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.
