AutoCodes – Chevrolet – B3111 2016 Chevrolet Silverado

B3111 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado 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.

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Code Popularity 235

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 11, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3111 2016 Chevrolet Silverado Description

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. The Remote Control Door Lock Receiver sends this to the Body Control Module (BCM) to perform the requested function. The Diagnostic Trouble Code (DTC) sets when three consecutive low-battery signals are received from the same transmitter.

OBDII Code B3111 2016 Chevrolet Silverado - Keyless Entry Transmitter 3 Battery - AutoCodes.com — B3111 2016 Chevrolet Silverado Code - Keyless Entry Transmitter 3 Battery

What does this mean?

What are the Possible Causes of the DTC B3111 2016 Chevrolet Silverado?

Low Keyless Entry Transmitter Battery
Faulty Keyless Entry Transmitter

How to Fix the DTC B3111 2016 Chevrolet Silverado?

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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado code?

Need more information on how to fix the B3111 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 doesnâ€™t function, reprogramming may be necessary. Consult the ownerâ€™s manual or a dealership for assistance.