AutoCodes – Generic – B1524

B1524 Code - Keyless Entry Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Keyless Entry. Common causes include Faulty Keyless Entry, Keyless Entry harness is open or shorted, Keyless Entry 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: B1524 indicates Keyless Entry Circuit Open.
Common causes: Common causes include Faulty Keyless Entry, Keyless Entry harness is open or shorted, Keyless Entry 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 5,872

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 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1524 Description

The Body Control Module (BCM) monitors the Keyless Entry. The BCM sets the OBDII code when the Keyless Entry is not to factory specifications.

OBDII Code B1524 - Keyless Entry Circuit Open - AutoCodes.com — B1524 Code - Keyless Entry Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1524?

Faulty Keyless Entry
Keyless Entry harness is open or shorted
Keyless Entry circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1524?

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 B1524 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 B1524 code?

Need more information on how to fix the B1524 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1524 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 B1524 Code

1. What are the common symptoms of OBDII code B1524 - Keyless Entry Circuit Open?

- Common symptoms include non-functioning keyless entry system, inability to lock or unlock doors remotely, and possible issues with the vehicle's alarm system.

2. What are the possible causes of OBDII code B1524 - Keyless Entry Circuit Open?

- The code B1524 can be triggered by damaged wiring in the keyless entry system, faulty key fob, blown fuse, or a malfunctioning control module.

3. How can I diagnose OBDII code B1524 - Keyless Entry Circuit Open?

- To diagnose this code, you can start by inspecting the key fob battery, checking the fuse related to the keyless entry system, and using a multimeter to test the wiring continuity.

4. What are some repair tips for fixing OBDII code B1524 - Keyless Entry Circuit Open?

- Repair tips may include repairing or replacing damaged wiring, replacing the key fob battery, checking and replacing blown fuses, and reprogramming the control module if necessary.

5. Can I still drive my vehicle with OBDII code B1524 - Keyless Entry Circuit Open?

- Yes, you can still drive your vehicle with this code, but you may experience inconvenience due to the non-functioning keyless entry system.

6. Is it necessary to fix OBDII code B1524 - Keyless Entry Circuit Open immediately?

- While it is not a critical issue for driving, it is recommended to address this code promptly to restore the functionality of your keyless entry system for convenience and security reasons.

7. Can OBDII code B1524 - Keyless Entry Circuit Open cause any other problems in my vehicle?

- This code itself may not cause other major issues, but it can lead to inconvenience and potential security concerns if the keyless entry system is not functioning properly.

8. Are there any DIY solutions for fixing OBDII code B1524 - Keyless Entry Circuit Open?

- Depending on your automotive repair skills, you may be able to address this code by checking and repairing wiring, replacing the key fob battery, and checking the related fuses.

9. How long does it typically take to repair OBDII code B1524 - Keyless Entry Circuit Open?

- The repair time can vary based on the specific cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

10. Is it recommended to seek professional help for repairing OBDII code B1524 - Keyless Entry Circuit Open?

- If you are not familiar with automotive electrical systems, it is advisable to seek assistance from a professional mechanic or technician to properly diagnose and repair this code.