Engine-Codes.com
Engine-Codes – GMC – B1327 2016 GMC Sierra

B1327 2016 GMC Sierra Code - Device Power 1 Circuit Low

Quick Answer

The B1327 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is a low voltage condition in the Device Power 1 circuit. Common causes include Faulty power supply module, Damaged wiring harness, Blown fuse. 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
B1327 2016 GMC Sierra indicates Device Power 1 Circuit Low.
Common causes
Common causes include Faulty power supply module, Damaged wiring harness, Blown fuse.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1327 2016 GMC Sierra Description

The B1327 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is a low voltage condition in the Device Power 1 circuit. This circuit is responsible for providing power to various electronic devices in the vehicle, such as the radio, navigation system, and other accessories. When this code is triggered, it means that there is a problem with the power supply to these devices, which can lead to malfunctions or complete failure of these components.

OBDII Code B1327 2016 GMC Sierra - Device Power 1 Circuit Low
B1327 2016 GMC Sierra Code - Device Power 1 Circuit Low

Common Causes of B1327 2016 GMC Sierra

  1. Faulty power supply module
  2. Damaged wiring harness
  3. Blown fuse
  4. Malfunctioning relay
  5. Corrosion or loose connections in the electrical system

Symptoms of B1327 2016 GMC Sierra

  1. Non-functional radio or infotainment system
  2. Navigation system failure
  3. Inoperative power accessories (e.g., power windows, power seats)
  4. Warning lights on the dashboard related to electrical systems
  5. Vehicle going into "limp mode"

How to Fix B1327 2016 GMC Sierra

  1. Perform a thorough inspection of the Device Power 1 circuit to identify the root cause of the low voltage condition.
  2. Test the power supply module, wiring harness, fuses, and relays for proper functionality.
  3. Repair or replace any damaged components, such as a faulty power supply module or wiring harness.
  4. Clear the DTC from the vehicle's computer system and reset any affected electronic devices.
  5. Perform a final test to ensure that the power supply to the electronic devices is restored and functioning correctly.

Cost to Fix B1327 2016 GMC Sierra

The typical repair costs for addressing a Device Power 1 Circuit Low issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500. It is important to note that these estimates are rough averages, and actual costs may vary based on factors such as location, vehicle make and model, and the specific diagnosis and repair process required. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on your individual circumstances.

Need more information about the B1327 2016 GMC Sierra code?

Need more information on how to fix the B1327 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1327 2016 GMC Sierra 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 B1327 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code B1327 (Device Power 1 Circuit Low) in a 2016 GMC Sierra?

The common symptoms include issues with the vehicle's power windows, power locks, and other electrical components not functioning properly.

2. What are the possible causes of OBDII code B1327 in a 2016 GMC Sierra?

The code B1327 usually indicates a problem with the Device Power 1 circuit, which can be caused by a faulty power window switch, damaged wiring, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code B1327 in my 2016 GMC Sierra?

To diagnose the issue, you can start by checking the power window switch, inspecting the wiring for any damage, and testing the control module for proper functionality using a diagnostic scanner.

4. Can I drive my 2016 GMC Sierra with OBDII code B1327 (Device Power 1 Circuit Low) present?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid any inconvenience or potential safety hazards associated with malfunctioning electrical components.

5. How can I repair OBDII code B1327 in my 2016 GMC Sierra?

Repairing this code typically involves replacing a faulty power window switch, repairing damaged wiring, or replacing the control module if necessary. It is advised to consult a professional mechanic for accurate diagnosis and proper repair.

6. Are there any DIY tips for fixing OBDII code B1327 in a 2016 GMC Sierra?

While some basic troubleshooting like checking the fuses, inspecting the wiring, and testing the power window switch can be done by DIY enthusiasts, it is recommended to seek professional help for a comprehensive diagnosis and repair.

7. How much does it cost to repair OBDII code B1327 in a 2016 GMC Sierra?

The cost of repairing this code can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor charges. It is advisable to obtain quotes from different auto repair shops for an accurate estimate.

8. Can a weak car battery cause OBDII code B1327 in a 2016 GMC Sierra?

While a weak car battery may not directly cause this specific code, it can lead to electrical issues in the vehicle that may trigger various codes, including B1327. Therefore, ensuring a properly functioning battery is essential for overall vehicle health.

9. How long does it take to fix OBDII code B1327 in a 2016 GMC Sierra?

The repair time for this code can vary depending on the exact cause of the issue, the availability of parts, and the expertise of the mechanic. In general, it can take a few hours to half a day to diagnose and repair the problem.

10. Is it necessary to reset the OBDII system after fixing code B1327 in a 2016 GMC Sierra?

Yes, it is recommended to reset the OBDII system after fixing the issue to clear the error code and ensure that the repair was successful. This can be done using a diagnostic scanner or by disconnecting the car's battery for a few minutes.

Discuss the causes and fixes for B1327 2016 GMC Sierra OBDII Code

Submit a New Comment

Code B1327 2016 GMC Sierra comments

No comments found for this page.