AutoCodes – GMC – B1395 2015 GMC Sierra

B1395 2015 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 2015 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 320
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 24, 2022
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Code B1395 2015 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 2015 GMC Sierra - Control Module Voltage Reference Output 1 - AutoCodes.com
B1395 2015 GMC Sierra Code - Control Module Voltage Reference Output 1

What are the Possible Causes of the DTC B1395 2015 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 2015 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1395 2015 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 2015 GMC Sierra code?

Need more information on how to fix the B1395 2015 GMC Sierra 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 B1395 2015 GMC Sierra Code

1. What does OBDII code B1395 for a 2015 GMC Sierra mean?

This code indicates an issue with the Control Module Voltage Reference Output 1 in the vehicle's system.

2. What are the common symptoms of OBDII code B1395 in a 2015 GMC Sierra?

Common symptoms include illumination of the check engine light, erratic engine performance, and potential electrical malfunctions.

3. What are the possible causes of OBDII code B1395 in a 2015 GMC Sierra?

Possible causes include a faulty control module, wiring issues, poor electrical connections, or a failing voltage regulator.

4. How can I diagnose the root cause of OBDII code B1395 in my 2015 GMC Sierra?

Diagnosing this code typically involves checking the wiring and connections related to the Control Module Voltage Reference Output 1, testing the voltage output, and inspecting the control module for any signs of damage.

5. Is it safe to continue driving my 2015 GMC Sierra with OBDII code B1395?

It is recommended to address the issue promptly to prevent potential electrical problems or engine performance issues. Continuing to drive the vehicle may lead to further damage.

6. Can I repair OBDII code B1395 in my 2015 GMC Sierra myself?

While some DIY enthusiasts may attempt to address this code, it is advisable to seek professional help, especially when dealing with intricate electrical components and systems.

7. How much does it typically cost to repair OBDII code B1395 in a 2015 GMC Sierra?

The cost of repair can vary depending on the root cause of the issue, but it may involve replacing the control module, repairing wiring, or addressing other related components. Costs can range from a few hundred to a few thousand dollars.

8. Are there any preventive measures to avoid OBDII code B1395 in my 2015 GMC Sierra?

Routine maintenance checks, including inspecting the electrical system and connections, can help prevent issues that may trigger this code. Additionally, addressing any warning signs promptly can prevent further complications.

9. Will resetting the OBDII code B1395 in my 2015 GMC Sierra make it disappear permanently?

Resetting the code may temporarily clear the check engine light, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and resolve the root cause to prevent recurrence.

10. Can OBDII code B1395 in a 2015 GMC Sierra cause any long-term damage if left untreated?

While the immediate effects may not be severe, ignoring this code can lead to potential long-term damage to the vehicle's electrical system and control modules. It is best to address the issue promptly to prevent costly repairs down the line.

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