AutoCodesGMC – B1415 2014 GMC Sierra

B1415 2014 GMC Sierra Code - Control Module Voltage Reference Output 3

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
B1415 2014 GMC Sierra indicates Control Module Voltage Reference Output 3.
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 182
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 11, 2022
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Code B1415 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 B1415 2014 GMC Sierra - Control Module Voltage Reference Output 3 - AutoCodes.com
B1415 2014 GMC Sierra Code - Control Module Voltage Reference Output 3

What are the Possible Causes of the DTC B1415 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 B1415 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1415 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 B1415 2014 GMC Sierra code?

Need more information on how to fix the B1415 2014 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 B1415 2014 GMC Sierra Code

1. What does the OBDII code B1415 mean on a 2014 GMC Sierra?

The B1415 code refers to an issue with the Control Module Voltage Reference Output 3, indicating a malfunction in the voltage reference circuit used by sensors.

2. What are the common symptoms of the B1415 code in a 2014 GMC Sierra?

Symptoms may include illuminated warning lights on the dashboard, erratic sensor readings, or improper functioning of systems relying on the voltage reference circuit.

3. What causes the B1415 code in a GMC Sierra?

Common causes include damaged wiring, corroded or loose electrical connections, a short to ground, or a failing control module.

4. Can I drive my 2014 GMC Sierra with the B1415 code active?

While the vehicle may still be drivable, it's not recommended as the issue can affect sensor accuracy and overall system performance.

5. How do I diagnose the B1415 code on a GMC Sierra?

Start by inspecting the wiring and connectors associated with the voltage reference circuit, followed by testing for voltage and continuity, and checking for any shorts or open circuits.

6. What parts might need to be replaced to fix the B1415 code?

Possible parts include damaged wiring, connectors, or, in rare cases, the control module itself if it’s determined to be faulty.

7. How much does it cost to repair the B1415 code on a 2014 GMC Sierra?

Repair costs can vary but typically range from $100 to $500, depending on whether you need to replace wiring, connectors, or the control module.

8. Can a bad sensor cause the B1415 code on a GMC Sierra?

Yes, a faulty sensor drawing excessive current or causing a short can trigger the B1415 code.

9. How can I prevent the B1415 code from reoccurring?

Regularly inspect and maintain the vehicle’s wiring and connectors to prevent corrosion or damage, and address any electrical issues promptly.

10. Does the B1415 code require reprogramming the control module?

In most cases, reprogramming is not necessary, but if the control module is replaced, it may need to be programmed to work with the vehicle.

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