Engine-CodesChevrolet – B3112 2017 Chevrolet Silverado

B3112 2017 Chevrolet Silverado Code - Keyless Entry Transmitter 4 Battery

Quick Answer

The B3112 diagnostic trouble code (DTC) specifically relates to the Keyless Entry Transmitter 4 Battery in a 2017 Chevrolet Silverado. Common causes include Dead battery in the keyless entry transmitter, Faulty keyless entry transmitter, Corrosion on the battery terminals. 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 2017 Chevrolet Silverado indicates Keyless Entry Transmitter 4 Battery.
Common causes
Common causes include Dead battery in the keyless entry transmitter, Faulty keyless entry transmitter, Corrosion on the battery terminals.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B3112 2017 Chevrolet Silverado Description

The B3112 diagnostic trouble code (DTC) specifically relates to the Keyless Entry Transmitter 4 Battery in a 2017 Chevrolet Silverado. This code indicates that there is a malfunction or a low voltage condition detected in the battery of the fourth keyless entry transmitter. The keyless entry transmitter is responsible for allowing the driver to remotely lock and unlock the vehicle, as well as perform other functions such as starting the engine, opening the trunk, or activating the panic alarm.

OBDII Code B3112 2017 Chevrolet Silverado - Keyless Entry Transmitter 4 Battery
B3112 2017 Chevrolet Silverado Code - Keyless Entry Transmitter 4 Battery

Common Causes of B3112 2017 Chevrolet Silverado

  1. Dead battery in the keyless entry transmitter.
  2. Faulty keyless entry transmitter.
  3. Corrosion on the battery terminals.
  4. Electrical issues in the keyless entry system.
  5. Environmental factors affecting the battery life.

Symptoms of B3112 2017 Chevrolet Silverado

  1. Keyless entry transmitter not responding to commands.
  2. Inconsistent performance of the keyless entry system.
  3. Reduced range of the keyless entry transmitter.
  4. Warning light on the dashboard related to the keyless entry system.
  5. Difficulty starting the vehicle remotely using the keyless entry transmitter.

How to Fix B3112 2017 Chevrolet Silverado

  1. Obtain a replacement battery for the keyless entry transmitter. The battery type will depend on the specific transmitter model.
  2. Use a small screwdriver to carefully open the transmitter case and access the old battery.
  3. Remove the old battery and replace it with the new one, ensuring the polarity is correct.
  4. Close the transmitter case securely and test the keyless entry system to ensure it is functioning properly.
  5. If the issue persists, consult a professional mechanic to diagnose any underlying electrical problems.

Cost to Fix B3112 2017 Chevrolet Silverado

The cost of replacing the battery in a keyless entry transmitter can vary depending on the type of battery required and the labor costs. Typically, a replacement battery for a keyless entry transmitter can range from $5 to $20. If the issue requires professional diagnosis and repair, the total cost could be around $50 to $150, including parts and labor. It's important to factor in additional costs for diagnostic tests and any potential repairs needed to resolve the underlying cause of the issue.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B3112 2017 Chevrolet Silverado Code

1. What does OBDII code B3112 mean on a 2017 Chevrolet Silverado?

Code B3112 indicates an issue with the battery in the fourth keyless entry transmitter for the vehicle.

2. What are the common symptoms of code B3112 in a 2017 Chevy Silverado?

Symptoms include difficulty using the keyless entry transmitter, unresponsive remote functions, or a warning message related to the key fob battery.

3. What causes code B3112 to appear in a 2017 Chevrolet Silverado?

The most common cause is a low or dead battery in the fourth keyless entry transmitter. Other causes may include a damaged key fob or transmitter programming issues.

4. How do I fix code B3112 on my 2017 Silverado?

Replace the battery in the fourth keyless entry transmitter. If the issue persists, check the fob for damage or reprogram it using a professional diagnostic tool.

5. What type of battery does the keyless entry transmitter for a 2017 Chevrolet Silverado use?

The keyless entry transmitter typically uses a CR2032 coin cell battery.

6. Can I clear code B3112 without replacing the key fob battery?

Clearing the code without fixing the underlying issue, such as replacing the battery, is not recommended as the code may reappear.

7. How do I know which keyless entry transmitter is the "fourth" one?

The fourth transmitter refers to the fourth fob programmed to the vehicle. If unsure, test each fob to identify the one with a low or dead battery.

8. Can a malfunctioning keyless entry transmitter affect other systems in the vehicle?

Generally, a faulty transmitter will not affect other systems, but it may lead to inconvenience with locking, unlocking, or remote start functions.

9. Is reprogramming always necessary after replacing the key fob battery?

No, reprogramming is usually not necessary after a battery replacement unless the transmitter was damaged or lost its programming.

10. Should I replace all my key fob batteries if one is low?

It’s not required, but replacing all key fob batteries at the same time can help prevent similar issues in the near future.

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