AutoCodes – Chevrolet – B1395 Chevrolet

B1395 Chevrolet 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 Chevrolet 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 15,689

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 Chevrolet 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 Chevrolet - Control Module Voltage Reference Output 1 - AutoCodes.com — B1395 Chevrolet Code - Control Module Voltage Reference Output 1

What does this mean?

What are the Possible Causes of the DTC B1395 Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

Need more information on how to fix the B1395 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1395 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B1395 2014 Chevrolet Silverado — Control Module Voltage Reference Output 1
B1395 2015 Chevrolet Silverado — Control Module Voltage Reference Output 1
B1395 2016 Chevrolet Silverado — Control Module Voltage Reference Output 1
B1395 2017 Chevrolet Silverado — Control Module Voltage Reference Output 1
B1395 2018 Chevrolet Silverado — Control Module Voltage Reference Output 1

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 Chevrolet Code

1. What does OBDII code B1395 for a Chevrolet Control Module Voltage Reference Output 1 mean?

This code indicates an issue with the voltage reference output 1 signal from the control module in a Chevrolet vehicle.

2. What are the common symptoms of OBDII code B1395 in a Chevrolet?

Common symptoms include rough idling, engine stalling, poor acceleration, and potential issues with the vehicle's electrical systems.

3. What are the possible causes of OBDII code B1395 in a Chevrolet?

Potential causes may include a faulty control module, damaged wiring or connectors, a defective voltage regulator, or issues with the vehicle's battery.

4. How can I diagnose the OBDII code B1395 in my Chevrolet?

Diagnosing this code typically involves using a scan tool to retrieve the trouble codes, inspecting the wiring and connectors related to the control module, and performing voltage tests on the affected components.

5. Can I drive my Chevrolet with OBDII code B1395 present?

It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential damage to other components in the vehicle.

6. How can I fix OBDII code B1395 in my Chevrolet?

Repair options may include replacing the control module, repairing or replacing damaged wiring or connectors, checking and replacing the voltage regulator, and ensuring a stable power supply to the control module.

7. Are there any DIY tips for troubleshooting OBDII code B1395 in my Chevrolet?

DIYers can start by checking the wiring connections and fuses related to the control module, inspecting for any visible damage, and ensuring the battery is in good condition.

8. Is resetting the OBDII system enough to clear code B1395 in a Chevrolet?

Resetting the system may clear the code temporarily, but it is essential to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

9. Can a mechanic help me fix OBDII code B1395 in my Chevrolet?

Yes, a qualified mechanic can diagnose the issue accurately using specialized tools and repair the components causing the code to restore proper vehicle functionality.

10. How much does it typically cost to repair OBDII code B1395 in a Chevrolet?

The cost of repair can vary depending on the specific cause of the issue, the labor rates of the mechanic, and the cost of any replacement parts needed. It is recommended to get a diagnosis and repair estimate from a trusted mechanic.