AutoCodes – Generic – B1394

B1394 Code - Power Door Memory Lock Relay Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Power Door Memory Lock Relay. Common causes include Faulty Power Door Memory Lock Relay, Power Door Memory Lock Relay harness is open or shorted, Power Door Memory Lock Relay 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: B1394 indicates Power Door Memory Lock Relay Circuit Short To Battery.
Common causes: Common causes include Faulty Power Door Memory Lock Relay, Power Door Memory Lock Relay harness is open or shorted, Power Door Memory Lock Relay 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 3,736

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 Mar 21, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1394 Description

The Body Control Module (BCM) monitors the Power Door Memory Lock Relay. The BCM sets the OBDII code when the Power Door Memory Lock Relay is not to factory specifications.

OBDII Code B1394 - Power Door Memory Lock Relay Circuit Short To Battery - AutoCodes.com — B1394 Code - Power Door Memory Lock Relay Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B1394?

Faulty Power Door Memory Lock Relay
Power Door Memory Lock Relay harness is open or shorted
Power Door Memory Lock Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1394?

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 B1394 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 B1394 code?

Need more information on how to fix the B1394 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1394 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 B1394 Code

1. What are common symptoms of OBDII code B1394 (Power Door Memory Lock Relay Circuit Short To Battery)?

- Common symptoms include power door locks not functioning properly, intermittent locking/unlocking, and issues with the power door memory settings.

2. What are possible causes of OBDII code B1394?

- Possible causes include a short to battery in the power door memory lock relay circuit, damaged wiring or connectors, or a faulty power door lock relay.

3. How can I diagnose the issue behind OBDII code B1394?

- Use a scan tool to read the code and check for any related codes. Perform a visual inspection of the wiring and connectors in the power door lock system. Test the power door lock relay and related components for proper function.

4. Can I still drive my vehicle with OBDII code B1394 present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid potential inconvenience or further damage to the power door lock system.

5. How can I repair OBDII code B1394 myself?

- You can repair this code by locating and repairing the short to battery in the power door memory lock relay circuit. This may involve repairing damaged wiring, replacing connectors, or replacing the power door lock relay.

6. Is it necessary to visit a mechanic for OBDII code B1394?

- While it is possible to address this issue yourself if you have the necessary skills and tools, consulting a mechanic may be beneficial for a more accurate diagnosis and efficient repair.

7. Are there any specific tools required to fix OBDII code B1394?

- Basic tools such as a scan tool for code reading, a multimeter for testing circuits, and common hand tools for accessing components may be needed to diagnose and repair this code.

8. Can weather conditions affect the occurrence of OBDII code B1394?

- Extreme weather conditions, such as exposure to moisture or temperature fluctuations, can potentially contribute to wiring damage or electrical issues that lead to OBDII code B1394.

9. How long does it typically take to repair OBDII code B1394?

- The time required to repair this code can vary depending on the specific issue and your experience level. It may take anywhere from a few hours to a full day to diagnose and repair the problem.

10. Will resetting the OBDII code B1394 fix the issue permanently?

- Simply resetting the code without addressing the underlying cause will not fix the issue permanently. It is important to diagnose the problem, make the necessary repairs, and ensure proper functioning of the power door lock system to prevent the code from reoccurring.