AutoCodes – Chevrolet – B12A4 2018 Chevrolet Silverado

B12A4 2018 Chevrolet Silverado Code - Infotainment Faceplate Control Module

Quick Answer

The radio communicates with the radio controls via serial data. Common causes include Faulty Info Display Module, Info Display Module harness is open or shorted, Info Display Module circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B12A4 2018 Chevrolet Silverado indicates Infotainment Faceplate Control Module.
Common causes: Common causes include Faulty Info Display Module, Info Display Module harness is open or shorted, Info Display Module circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 397

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B12A4 2018 Chevrolet Silverado Description

The radio communicates with the radio controls via serial data. This Diagnostic Trouble Code (DTC) indicates a fault in the radio controls. No external circuits are involved. The radio may continue to respond normally to faceplate functions when this DTC is set.

OBDII Code B12A4 2018 Chevrolet Silverado - Infotainment Faceplate Control Module - AutoCodes.com — B12A4 2018 Chevrolet Silverado Code - Infotainment Faceplate Control Module

What does this mean?

What are the Possible Causes of the DTC B12A4 2018 Chevrolet Silverado?

Faulty Info Display Module
Info Display Module harness is open or shorted
Info Display Module circuit poor electrical connection

How to Fix the DTC B12A4 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 B12A4 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 B12A4 2018 Chevrolet Silverado code?

Need more information on how to fix the B12A4 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B12A4 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 B12A4 2018 Chevrolet Silverado Code

1. What does the OBDII code B12A4 mean for a 2018 Chevrolet Silverado?

The B12A4 code refers to an issue with the Infotainment Faceplate Control Module, typically indicating a communication or functionality problem within the system.

2. What are the common symptoms of the B12A4 code?

Symptoms may include an unresponsive infotainment touchscreen, non-functioning buttons on the control module, or intermittent operation of the infotainment system.

3. What causes the B12A4 code to appear?

Common causes include a faulty infotainment faceplate control module, loose or damaged wiring, or a software glitch in the infotainment system.

4. Can the B12A4 code be caused by a blown fuse?

Yes, a blown fuse related to the infotainment system can disrupt power or communication and trigger the B12A4 code.

5. How do you diagnose the B12A4 code?

Diagnosis involves using a scan tool to verify the code, inspecting the wiring and connectors for damage, and testing the functionality of the infotainment faceplate control module.

6. Can the B12A4 code be fixed with a software update?

In some cases, a software update for the infotainment system can resolve the issue if it's related to a glitch or compatibility problem.

7. Do I need to replace the infotainment faceplate control module for the B12A4 code?

Replacement is only necessary if the module is confirmed to be faulty after thorough diagnostics of the wiring, connections, and software.

8. How much does it cost to repair the B12A4 code on a 2018 Chevrolet Silverado?

Repair costs can range from $100 to $800 depending on whether it requires a simple wiring fix, a software update, or complete module replacement.

9. Can I still drive my 2018 Chevrolet Silverado with the B12A4 code?

Yes, the vehicle is still driveable, but the infotainment system may not function properly, which could affect convenience and certain vehicle settings.

10. Will disconnecting the battery clear the B12A4 code?

Disconnecting the battery may temporarily clear the code, but if the underlying issue is not resolved, the code is likely to return.