AutoCodes – Chevrolet – B123E 2016 Chevrolet Silverado

B123E 2016 Chevrolet Silverado Code - Radio Keypad Button Signal Circuit

Quick Answer

The radio controls communicate radio control inputs directly to the radio through a discrete circuit for volume up, volume down, and power button. Common causes include Faulty Radio Controls, Radio Controls harness is open or shorted, Radio Controls 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: B123E 2016 Chevrolet Silverado indicates Radio Keypad Button Signal Circuit.
Common causes: Common causes include Faulty Radio Controls, Radio Controls harness is open or shorted, Radio Controls 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 198

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 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B123E 2016 Chevrolet Silverado Description

The radio controls communicate radio control inputs directly to the radio through a discrete circuit for volume up, volume down, and power button. It also uses a series of resistors through a signal circuit when the home, seek up, seek down and phone buttons are pressed. After receiving the message, the radio will perform the requested function. Messages communicated between the radio and the radio controls include the following: Button presses/knob rotations, Commands for the state of indicators, and Controls back-lighting. The Diagnostic Trouble Code (DTC) will be set when the radio detects an open/high resistance, short to voltage, or short to ground on the radio controls key signal circuit.

OBDII Code B123E 2016 Chevrolet Silverado - Radio Keypad Button Signal Circuit - AutoCodes.com — B123E 2016 Chevrolet Silverado Code - Radio Keypad Button Signal Circuit

What does this mean?

What are the Possible Causes of the DTC B123E 2016 Chevrolet Silverado?

Faulty Radio Controls
Radio Controls harness is open or shorted
Radio Controls circuit poor electrical connection
Faulty Radio

How to Fix the DTC B123E 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 B123E 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 B123E 2016 Chevrolet Silverado code?

Need more information on how to fix the B123E 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 B123E 2016 Chevrolet Silverado Code

1. What does OBDII code B123E mean on a 2016 Chevrolet Silverado?

Code B123E indicates an issue with the Radio Keypad Button Signal Circuit, which involves communication or functionality problems in the radio's input controls.

2. What are the common symptoms of code B123E in a 2016 Chevrolet Silverado?

Symptoms may include unresponsive radio buttons, difficulty changing radio settings, or intermittent operation of the radio keypad.

3. What causes the B123E code to appear on a Chevrolet Silverado?

The code can be triggered by a faulty radio keypad, damaged wiring or connectors in the circuit, or a failure in the radio control module itself.

4. Can a blown fuse cause the B123E code in a 2016 Silverado?

Yes, a blown fuse in the radio circuit or related systems could disrupt the keypad signal and trigger this code.

5. How do you diagnose code B123E on a 2016 Chevrolet Silverado?

Start by inspecting the radio keypad and its wiring for damage or loose connections. Use a scan tool to check for related codes and test the circuit for continuity or voltage issues.

6. Is it safe to drive with the B123E code on a Chevrolet Silverado?

Yes, it is generally safe to drive, but the radio functionality may be limited or impaired until the issue is addressed.

7. Can software updates fix the B123E code on a 2016 Chevrolet Silverado?

In some cases, a software update for the radio control module might resolve communication glitches causing the code.

8. How much does it cost to fix the B123E code on a Silverado?

Repair costs vary, but minor fixes like repairing wiring or replacing a keypad might cost $100â€“$300, while replacing the radio control module could be more expensive.

9. Can I reset the B123E code without fixing the issue?

You can clear the code with a scan tool, but it will likely return if the underlying problem is not resolved.

10. What tools are needed to repair the B123E code on a 2016 Silverado?

Youâ€™ll need a scan tool to read and clear codes, a multimeter for testing circuits, and basic tools for inspecting and repairing wiring or connectors.