AutoCodes – GMC – B1395 2014 GMC Sierra

B1395 2014 GMC Sierra Code - Control Module Voltage Reference Output 1

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: B1395 2014 GMC Sierra indicates Control Module Voltage Reference Output 1.
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.

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Code Popularity 342

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 24, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1395 2014 GMC Sierra 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 B1395 2014 GMC Sierra - Control Module Voltage Reference Output 1 - AutoCodes.com — B1395 2014 GMC Sierra Code - Control Module Voltage Reference Output 1

What does this mean?

What are the Possible Causes of the DTC B1395 2014 GMC Sierra?

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

How to Fix the DTC B1395 2014 GMC Sierra?

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 does this mean?

Code Tech Notes

B1395:03 Control Module Voltage Reference Output Circuit Short to Ground
B1395:07 Control Module Voltage Reference Output Circuit Short to Battery or Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1395 2014 GMC Sierra 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 B1395 2014 GMC Sierra 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 B1395 2014 GMC Sierra Code

1. What does the OBDII code B1395 mean on a 2014 GMC Sierra?

Code B1395 indicates an issue with the "Control Module Voltage Reference Output 1," meaning the voltage reference signal is either out of range or malfunctioning.

2. What are common symptoms of the B1395 code in a 2014 GMC Sierra?

Symptoms may include warning lights on the dashboard, erratic sensor readings, failure of certain electrical components, or intermittent electrical issues.

3. What causes the B1395 code to appear in a GMC Sierra?

Potential causes include a faulty control module, damaged wiring or connectors, a short or open circuit in the voltage reference circuit, or corrosion in the electrical system.

4. Can the B1395 code cause drivability issues?

While it may not always directly affect drivability, the code can lead to issues with sensors or components that rely on the voltage reference, potentially impacting the vehicle's performance.

5. How do you diagnose the B1395 code on a 2014 GMC Sierra?

Diagnosis involves scanning the vehicle with an OBDII scanner, inspecting the voltage reference circuit wiring and connectors, and testing the control module for proper functionality.

6. Can a blown fuse cause the B1395 code?

Yes, a blown fuse in the circuit providing power to the voltage reference could trigger the B1395 code.

7. Is it safe to drive a 2014 GMC Sierra with the B1395 code?

Driving with this code is not recommended, as it could lead to further electrical issues or failure of critical systems if left unresolved.

8. How is the B1395 code typically repaired?

Repairs may include fixing or replacing damaged wiring, cleaning corroded connectors, replacing the control module if faulty, or addressing any related system malfunctions.

9. How much does it cost to fix the B1395 code on a GMC Sierra?

Repair costs vary depending on the root cause but typically range from $100 to $500, with higher costs if the control module needs replacement.

10. Can clearing the B1395 code solve the issue?

Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return. Proper diagnosis and repair are necessary.