AutoCodes – Chevrolet – B3112 2018 Chevrolet Silverado

B3112 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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.

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Code Popularity 188

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 B3112 2018 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 B3112 2018 Chevrolet Silverado - Keyless Entry Transmitter 4 Battery - AutoCodes.com — B3112 2018 Chevrolet Silverado Code - Keyless Entry Transmitter 4 Battery

What does this mean?

What are the Possible Causes of the DTC B3112 2018 Chevrolet Silverado?

Low Keyless Entry Transmitter Battery
Faulty Keyless Entry Transmitter

How to Fix the DTC B3112 2018 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 B3112 2018 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 B3112 2018 Chevrolet Silverado code?

Need more information on how to fix the B3112 2018 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 B3112 2018 Chevrolet Silverado Code

1. What does OBDII code B3112 for a 2018 Chevrolet Silverado Keyless Entry Transmitter 4 Battery indicate?

- This code indicates a low battery voltage condition in the Keyless Entry Transmitter 4 of the vehicle.

2. What are the common symptoms of a B3112 code in a 2018 Chevrolet Silverado?

- Common symptoms include difficulty in using the keyless entry system, reduced range of the remote, or complete failure of the keyless entry function.

3. What are the possible causes of the B3112 code in a 2018 Chevrolet Silverado?

- The primary cause is a weak or failing battery in the Keyless Entry Transmitter 4. It could also be due to poor electrical connections or a faulty transmitter module.

4. How can I diagnose the B3112 code in my 2018 Chevrolet Silverado?

- You can start by replacing the battery in the Keyless Entry Transmitter 4. If the issue persists, check the connections and consider replacing the transmitter module if needed.

5. Can I still drive my 2018 Chevrolet Silverado with the B3112 code present?

- Yes, you can still drive the vehicle with this code, but you may experience inconvenience related to the keyless entry system until the issue is resolved.

6. Is it possible to reset the B3112 code in a 2018 Chevrolet Silverado without replacing any parts?

- Clearing the code from the OBDII system may temporarily remove the warning, but if the underlying issue of a low battery persists, the code is likely to return.

7. How urgent is it to address the B3112 code in a 2018 Chevrolet Silverado?

- While it is not an emergency, it is best to address the issue promptly to restore the proper functioning of the keyless entry system for convenience and security.

8. Can I replace the Keyless Entry Transmitter 4 battery in my 2018 Chevrolet Silverado myself?

- Yes, replacing the battery in the Keyless Entry Transmitter 4 is typically a straightforward DIY task that can be done with basic tools.

9. How long does the battery in the Keyless Entry Transmitter 4 of a 2018 Chevrolet Silverado usually last?

- The battery life can vary, but on average, it should last several years. If you notice issues with the keyless entry system, consider replacing the battery.

10. Are there any preventive measures to avoid the B3112 code in a 2018 Chevrolet Silverado?

- Regularly checking and replacing the batteries in all keyless entry transmitters can help prevent issues like the B3112 code from occurring unexpectedly.