AutoCodes – Generic – B1327

B1327 Code - Device Power Circuit Low

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: B1327 indicates Device Power Circuit Low.
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 31,555

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 08, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1327 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 B1327 - Device Power Circuit Low - AutoCodes.com — B1327 Code - Device Power Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1327?

Low battery voltage
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC B1327?

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 B1327 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 B1327 code?

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

Need Help with the Code?

Get the B1327 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1327 Buick — Device Power 1 Circuit Low
B1327 Cadillac — Device Power 1 Circuit Low
B1327 Chevrolet — Device Power 1 Circuit Low
B1327 GMC — Device Power 1 Circuit Low
B1327 Hyundai — Driver-Side Front Impact Sensor Short To Battery
B1327 KIA — Driver-Side Front Impact Sensor Short To Battery
B1327 Saturn — Device Power 1 Circuit Low

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 Code

1. What are the common symptoms of OBDII code B1327 (Device Power Circuit Low)?

- Common symptoms include issues with power windows, door locks, or other electrical components not functioning properly.

2. What are the possible causes of OBDII code B1327?

- Possible causes can include a faulty power window switch, damaged wiring, a defective control module, or a weak battery.

3. How can I diagnose the root cause of OBDII code B1327?

- You can start by checking the power window switch, inspecting the wiring for any damage, testing the control module, and ensuring the battery is in good condition.

4. Is it safe to continue driving with OBDII code B1327 triggered?

- It is generally safe to drive with this code, but it's best to address the issue promptly to prevent further electrical problems.

5. Can I repair OBDII code B1327 on my own?

- Depending on your automotive knowledge and skills, you may be able to repair this code on your own by following a diagnostic and repair guide specific to your vehicle.

6. Will resetting the OBDII code B1327 resolve the issue?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue is not fixed, the code will likely reappear.

7. How much does it typically cost to repair OBDII code B1327?

- The cost of repairing this code can vary depending on the cause of the issue, the parts needed for replacement, and whether you choose to do the repair yourself or take your vehicle to a mechanic.

8. Are there any preventive measures to avoid OBDII code B1327 in the future?

- Regularly inspecting and maintaining your vehicle's electrical components, such as power windows and door locks, can help prevent issues that may trigger this code.

9. Can extreme weather conditions contribute to OBDII code B1327?

- Yes, extreme temperatures and weather conditions can sometimes cause electrical components to malfunction, leading to issues like OBDII code B1327.

10. Will OBDII code B1327 affect my vehicle's performance?

- While this code typically relates to electrical issues, it may not directly impact your vehicle's performance but can cause inconvenience with certain features not working correctly.