AutoCodes – Generic – B1401

B1401 Code - Driver Power Window One Touch Window Relay Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Driver Power Window One Touch Window Relay. Common causes include Faulty Driver Power Window One Touch Window Relay, Driver Power Window One Touch Window Relay harness is open or shorted, Driver Power Window One Touch Window 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: B1401 indicates Driver Power Window One Touch Window Relay Circuit Short To Ground.
Common causes: Common causes include Faulty Driver Power Window One Touch Window Relay, Driver Power Window One Touch Window Relay harness is open or shorted, Driver Power Window One Touch Window 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 13,879

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 Apr 04, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1401 Description

The Body Control Module (BCM) monitors the Driver Power Window One Touch Window Relay. The BCM sets the OBDII code when the Driver Power Window One Touch Window Relay is not to factory specifications.

OBDII Code B1401 - Driver Power Window One Touch Window Relay Circuit Short To Ground - AutoCodes.com — B1401 Code - Driver Power Window One Touch Window Relay Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1401?

Faulty Driver Power Window One Touch Window Relay
Driver Power Window One Touch Window Relay harness is open or shorted
Driver Power Window One Touch Window Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1401?

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 B1401 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 B1401 code?

Need more information on how to fix the B1401 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1401 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 B1401 Code

1. What are the common symptoms of OBDII code B1401?

- Common symptoms include the power window not working properly, the one-touch function not functioning, and potential electrical issues with the driver power window.

2. What does the OBDII code B1401 indicate about the driver power window one-touch window relay circuit?

- OBDII code B1401 indicates a short to ground in the driver power window one-touch window relay circuit.

3. What are the possible causes of the driver power window one-touch window relay circuit short to ground?

- Possible causes include damaged wiring, a faulty window switch, a malfunctioning relay, or a short circuit in the electrical system.

4. How can I diagnose the issue related to OBDII code B1401 for the driver power window circuit?

- You can use a multimeter to test the continuity of the wiring, check the condition of the window switch, inspect the relay for proper operation, and visually inspect for any signs of a short circuit.

5. Is it safe to continue driving with OBDII code B1401 related to the driver power window circuit?

- It is not recommended to continue driving with this code as it may lead to further electrical issues or failure of the power window system.

6. Can I repair OBDII code B1401 related to the driver power window circuit myself?

- Depending on your experience with automotive electrical systems, you may be able to repair this issue yourself by following a wiring diagram and using basic tools.

7. How much does it typically cost to repair OBDII code B1401 for the driver power window circuit?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing damaged wiring, a faulty switch, or a malfunctioning relay.

8. Are there any preventive measures to avoid OBDII code B1401 in the future?

- Regularly inspecting the power window system, avoiding overloading the window with heavy objects, and addressing any electrical issues promptly can help prevent this code from reoccurring.

9. Can OBDII code B1401 affect other electrical components in the vehicle?

- While the code specifically relates to the driver power window circuit, electrical issues in one part of the system can sometimes affect other components, so it is important to address the problem promptly.

10. How long does it usually take to repair OBDII code B1401 related to the driver power window circuit?

- The repair time can vary depending on the complexity of the issue and the availability of parts, but it may take a few hours to a full day to diagnose and fix the problem.