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B3111 2016 Chevrolet Silverado Code - Keyless Entry Transmitter 3 Battery

Quick Answer

The B3111 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado specifically refers to an issue with the Keyless Entry Transmitter 3 Battery. Common causes include Low battery in the keyless entry transmitter, Dead battery in the keyless entry transmitter, 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 2016 Chevrolet Silverado indicates Keyless Entry Transmitter 3 Battery.
Common causes
Common causes include Low battery in the keyless entry transmitter, Dead battery in the keyless entry transmitter, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B3111 2016 Chevrolet Silverado Description

The B3111 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado specifically refers to an issue with the Keyless Entry Transmitter 3 Battery. This code indicates that there is a problem with the battery of the third keyless entry transmitter for the vehicle. Keyless entry transmitters are a convenient feature that allow drivers to lock and unlock their vehicle, as well as perform other functions like opening the trunk or activating the panic alarm, without using a physical key.

OBDII Code B3111 2016 Chevrolet Silverado - Keyless Entry Transmitter 3 Battery
B3111 2016 Chevrolet Silverado Code - Keyless Entry Transmitter 3 Battery

Common Causes of B3111 2016 Chevrolet Silverado

  1. Low battery in the keyless entry transmitter
  2. Dead battery in the keyless entry transmitter
  3. Faulty keyless entry transmitter
  4. Electrical issues in the keyless entry system
  5. Corrosion or damage to the keyless entry transmitter contacts

Symptoms of B3111 2016 Chevrolet Silverado

  1. Keyless entry transmitter not working properly
  2. Difficulty locking or unlocking the vehicle using the keyless entry system
  3. Inconsistent response from the keyless entry system
  4. Warning light on the dashboard indicating a keyless entry system issue

How to Fix B3111 2016 Chevrolet Silverado

  1. Replace the battery in the keyless entry transmitter: Start by carefully opening the keyless entry transmitter to access the battery. Remove the old battery and replace it with a new one, ensuring it is installed correctly.
  2. Test the keyless entry system: After replacing the battery, test the keyless entry system to see if the issue has been resolved. If the problem persists, further diagnosis may be needed.
  3. Check for corrosion or damage: Inspect the contacts in the keyless entry transmitter for any signs of corrosion or damage. Clean the contacts if necessary or replace the transmitter if damage is found.
  4. Reset the keyless entry system: In some cases, resetting the keyless entry system by disconnecting the vehicle's battery for a few minutes and then reconnecting it can help resolve issues.
  5. Seek professional help: If the above steps do not resolve the issue, it is recommended to seek the assistance of a professional mechanic or dealership for further diagnosis and repair.

Cost to Fix B3111 2016 Chevrolet Silverado

The cost of replacing the battery in a keyless entry transmitter is relatively low, typically ranging from $5 to $20 for the battery itself. However, if the issue is more complex and requires the replacement of the transmitter or other components, the cost could increase significantly. Labor costs for diagnosing and repairing keyless entry system issues can vary, but typically range from $80 to $150 per hour. It's important to factor in additional costs for parts and any additional repairs that may be necessary.

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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 B3111 2016 Chevrolet Silverado Code

1. What does the OBDII code B3111 mean on a 2016 Chevrolet Silverado?

The B3111 code indicates an issue with the battery in the third keyless entry transmitter, such as low voltage or no signal being detected.

2. What are the common symptoms of the B3111 code in a 2016 Chevrolet Silverado?

Symptoms include failure of the third key fob to lock/unlock doors, difficulty starting the vehicle with that key fob, or a warning message about the key fob battery.

3. What causes the B3111 code in a 2016 Chevrolet Silverado?

The most common causes are a depleted or faulty battery in the third keyless entry transmitter or a malfunction in the key fob itself.

4. Can I still drive my 2016 Chevrolet Silverado with the B3111 code?

Yes, you can drive the vehicle, but the affected key fob may not work properly for remote functions or starting the vehicle.

5. How do I fix the B3111 code in my 2016 Chevrolet Silverado?

Replace the battery in the third keyless entry transmitter. If the issue persists, the key fob may need to be reprogrammed or replaced.

6. How do I replace the battery in the keyless entry transmitter for a 2016 Chevrolet Silverado?

Open the key fob using the slot or seam, remove the old battery, insert a new one (usually a CR2032), and ensure it is installed with the correct polarity.

7. Will clearing the B3111 code fix the issue?

Clearing the code may remove it temporarily, but the issue will return unless the root cause, such as a dead key fob battery, is resolved.

8. Can a faulty key fob trigger the B3111 code?

Yes, a malfunctioning key fob, such as damaged internal electronics, can trigger the B3111 code if it cannot communicate properly with the vehicle.

9. How do I know if the keyless entry transmitter itself is faulty?

If replacing the battery does not fix the issue, and the key fob still fails to work, it may need diagnostic testing or replacement.

10. Is it necessary to reprogram the key fob after replacing the battery for the B3111 code?

In most cases, reprogramming is not required after a simple battery replacement. However, if the key fob still doesn’t function, reprogramming may be necessary. Consult the owner’s manual or a dealership for assistance.

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