AutoCodes – Chevrolet – B3101 2018 Chevrolet Silverado

B3101 2018 Chevrolet Silverado Code - Keyless Entry Data Link Circuit

Quick Answer

The Body Control Module (BCM) communicates with the Remote Control Door Lock Receiver (RCDLR) through the keyless entry serial data circuits. Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver harness is open or shorted, Remote Control Door Lock Receiver circuit poor electrical connection. 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: B3101 2018 Chevrolet Silverado indicates Keyless Entry Data Link Circuit.
Common causes: Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver harness is open or shorted, Remote Control Door Lock Receiver circuit poor electrical connection.
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 255

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 B3101 2018 Chevrolet Silverado Description

The Body Control Module (BCM) communicates with the Remote Control Door Lock Receiver (RCDLR) through the keyless entry serial data circuits. When any button on the keyless entry transmitter is pressed, the transmitter sends a signal to the RCDLR. The RCDLR sends a function request to the BCM, depending on which button is pressed on the transmitter. The body control module receives the message and performs the appropriate function. The Diagnostic Trouble Code (DTC) sets when o response is received from the RCDLR after the BCM requests information from or sends configuration commands to the RCDLR.

OBDII Code B3101 2018 Chevrolet Silverado - Keyless Entry Data Link Circuit - AutoCodes.com — B3101 2018 Chevrolet Silverado Code - Keyless Entry Data Link Circuit

What does this mean?

What are the Possible Causes of the DTC B3101 2018 Chevrolet Silverado?

Faulty Remote Control Door Lock Receiver (RCDLR)
Remote Control Door Lock Receiver harness is open or shorted
Remote Control Door Lock Receiver circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B3101 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 B3101 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 B3101 2018 Chevrolet Silverado code?

Need more information on how to fix the B3101 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 B3101 2018 Chevrolet Silverado Code

1. What does OBDII code B3101 for a 2018 Chevrolet Silverado indicate?

The B3101 code points to a problem with the Keyless Entry Data Link Circuit in the vehicle.

2. What are the common symptoms of a Keyless Entry Data Link Circuit issue in a 2018 Chevrolet Silverado?

Common symptoms include non-functioning keyless entry system, inoperative door locks, and issues with the remote key fob.

3. What are possible causes of the B3101 OBDII code in a 2018 Chevrolet Silverado?

Potential causes include damaged wiring, faulty keyless entry module, issues with the remote key fob, or a malfunctioning receiver module.

4. How can I diagnose a Keyless Entry Data Link Circuit problem in my 2018 Chevrolet Silverado?

Diagnosing the issue typically involves inspecting the wiring, checking the keyless entry module and receiver module, and testing the remote key fob for proper functionality.

5. What are some DIY repair tips for fixing the B3101 code on a 2018 Chevrolet Silverado?

DIY repair tips may include checking and repairing damaged wiring, replacing the keyless entry module, reprogramming the remote key fob, or addressing any issues with the receiver module.

6. Can I still drive my 2018 Chevrolet Silverado with the B3101 code present?

While the vehicle may still be operable, it is recommended to address the Keyless Entry Data Link Circuit issue promptly to ensure proper functioning of the keyless entry system.

7. Will resetting the OBDII code B3101 on my 2018 Chevrolet Silverado fix the problem?

Simply resetting the code may not solve the underlying issue causing the B3101 code. It's important to diagnose and repair the root cause of the problem.

8. How much does it typically cost to repair a Keyless Entry Data Link Circuit problem in a 2018 Chevrolet Silverado?

The cost of repair can vary depending on the specific cause of the issue, but it may involve expenses for parts and labor.

9. Can a mechanic easily fix the B3101 code on my 2018 Chevrolet Silverado?

A qualified mechanic should be able to diagnose and repair the Keyless Entry Data Link Circuit problem efficiently using diagnostic tools and expertise.

10. Is the Keyless Entry Data Link Circuit issue a common problem in 2018 Chevrolet Silverado vehicles?

While it may not be the most common issue, problems with the Keyless Entry Data Link Circuit can occur in 2018 Chevrolet Silverado models and may require attention to restore proper functionality.