AutoCodesGMC – B1325 2016 GMC Sierra

B1325 2016 GMC Sierra Code - Device Power Circuit Voltage

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 Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power circuit poor electrical connection. 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
B1325 2016 GMC Sierra indicates Device Power Circuit Voltage.
Common causes
Common causes include Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power circuit poor electrical connection.
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 533
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 08, 2022
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Code B1325 2016 GMC Sierra Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the system voltage is not to factory specifications. The following control modules will set this Diagnostic Trouble Code (DTC): Body Control Module (BCM), Instrument Panel Cluster (IPC), Radio and Sensing and Diagnostic Module (SDM).
OBDII Code B1325 2016 GMC Sierra - Device Power Circuit Voltage - AutoCodes.com
B1325 2016 GMC Sierra Code - Device Power Circuit Voltage

What are the Possible Causes of the DTC B1325 2016 GMC Sierra?

  • Faulty Control Module Power
  • Control Module Power harness is open or shorted
  • Control Module Power circuit poor electrical connection

How to Fix the DTC B1325 2016 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 B1325 2016 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 B1325 2016 GMC Sierra code?

Need more information on how to fix the B1325 2016 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 B1325 2016 GMC Sierra Code

1. What does the OBDII code B1325 mean on a 2016 GMC Sierra?

B1325 indicates an issue with the device power circuit voltage, often caused by low or high voltage in the control module's power or ground circuits.

2. What are the common symptoms of code B1325 on a 2016 GMC Sierra?

Symptoms may include warning lights on the dashboard, electrical system malfunctions, or intermittent loss of functionality in certain vehicle systems.

3. What causes the B1325 code to appear on a 2016 GMC Sierra?

Common causes include a weak or failing battery, poor ground connections, damaged wiring, or a malfunctioning control module.

4. Can a bad battery trigger the B1325 code?

Yes, a weak or failing battery can cause voltage irregularities, which may lead to the B1325 code being set.

5. How do you diagnose the B1325 code on a 2016 GMC Sierra?

Diagnosis involves checking the battery voltage, inspecting the power and ground connections for corrosion or damage, and testing the wiring and control module.

6. Can I drive my 2016 GMC Sierra with the B1325 code active?

It’s not recommended, as the code indicates an electrical issue that could lead to further malfunctions or system failures.

7. What repairs can fix the B1325 code on a 2016 GMC Sierra?

Repairs may include replacing the battery, cleaning or repairing ground connections, fixing damaged wiring, or replacing the control module if necessary.

8. How much does it cost to fix the B1325 code on a 2016 GMC Sierra?

The cost varies depending on the root cause; it could range from a simple battery replacement ($100-$200) to more extensive wiring or control module repairs ($500 or more).

9. Can a loose ground connection cause the B1325 code?

Yes, a loose or corroded ground connection can disrupt voltage flow, triggering the B1325 code.

10. Does the B1325 code require reprogramming the control module?

In some cases, if the control module is replaced or updated, reprogramming might be necessary, but this depends on the specific repair.

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