AutoCodes – Chevrolet – B1400 2015 Chevrolet Silverado

B1400 2015 Chevrolet Silverado Code - Control Module Supply Circuit 2

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted. 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: B1400 2015 Chevrolet Silverado indicates Control Module Supply Circuit 2.
Common causes: Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 233

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 Jul 11, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1400 2015 Chevrolet Silverado Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Damage to components, and incorrect data can occur when the voltage is out of range. The vehicle has multiple Control Modules that will set this Diagnostic Trouble Code (DTC).

OBDII Code B1400 2015 Chevrolet Silverado - Control Module Supply Circuit 2 - AutoCodes.com — B1400 2015 Chevrolet Silverado Code - Control Module Supply Circuit 2

What does this mean?

What are the Possible Causes of the DTC B1400 2015 Chevrolet Silverado?

Low battery voltage
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC B1400 2015 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 B1400 2015 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 B1400 2015 Chevrolet Silverado code?

Need more information on how to fix the B1400 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1400 2015 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 B1400 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1400 in a 2015 Chevrolet Silverado?

The common symptoms of OBDII code B1400 in a 2015 Chevrolet Silverado include issues with power windows, door locks, and other related electrical functions.

2. What causes the OBDII code B1400 in a 2015 Chevrolet Silverado?

The OBDII code B1400 in a 2015 Chevrolet Silverado is typically caused by a malfunction in the control module supply circuit 2.

3. How can I diagnose the OBDII code B1400 in my 2015 Chevrolet Silverado?

Diagnosing the OBDII code B1400 in a 2015 Chevrolet Silverado involves checking the wiring and connectors related to control module supply circuit 2 for any signs of damage or corrosion.

4. Can I still drive my 2015 Chevrolet Silverado with the OBDII code B1400?

It is not recommended to drive your 2015 Chevrolet Silverado with the OBDII code B1400, as it can affect the functionality of important electrical components.

5. How can I repair the OBDII code B1400 in my 2015 Chevrolet Silverado?

Repairing the OBDII code B1400 in a 2015 Chevrolet Silverado may involve repairing or replacing damaged wiring, connectors, or the control module related to circuit 2.

6. Is it safe to reset the OBDII code B1400 in my 2015 Chevrolet Silverado?

While you can reset the OBDII code B1400 in your 2015 Chevrolet Silverado, it is important to address the underlying issue causing the code to prevent it from reoccurring.

7. Will the OBDII code B1400 in my 2015 Chevrolet Silverado affect its performance?

The OBDII code B1400 may not directly affect the performance of your 2015 Chevrolet Silverado, but it can impact the functionality of certain electrical components.

8. How much does it cost to repair the OBDII code B1400 in a 2015 Chevrolet Silverado?

The cost to repair the OBDII code B1400 in a 2015 Chevrolet Silverado can vary depending on the extent of the damage and whether any components need to be replaced.

9. Can a DIY enthusiast fix the OBDII code B1400 in a 2015 Chevrolet Silverado?

A DIY enthusiast with knowledge of automotive electrical systems may be able to diagnose and repair the OBDII code B1400 in a 2015 Chevrolet Silverado, but professional help is recommended for complex issues.

10. How can I prevent the OBDII code B1400 from appearing in my 2015 Chevrolet Silverado?

To prevent the OBDII code B1400 from appearing in your 2015 Chevrolet Silverado, it's essential to perform regular maintenance checks on the electrical components and address any issues promptly.