AutoCodes – Generic – B2A24

B2A24 Code - Turn Signal Input Circuit Failure

Quick Answer

The Smart Junction Box (SJB) monitors the Turn Signal Input Circuit. Common causes include Faulty Turn Signal Lamp, Turn Signal Lamp harness is open or shorted, Turn Signal Lamp 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: B2A24 indicates Turn Signal Input Circuit Failure.
Common causes: Common causes include Faulty Turn Signal Lamp, Turn Signal Lamp harness is open or shorted, Turn Signal Lamp 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 1,298

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 Feb 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2A24 Description

The Smart Junction Box (SJB) monitors the Turn Signal Input Circuit. The SJB sets the OBDII code when the Turn Signal Input Circuit is not to factory specifications.

OBDII Code B2A24 - Turn Signal Input Circuit Failure - AutoCodes.com — B2A24 Code - Turn Signal Input Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B2A24?

Faulty Turn Signal Lamp
Turn Signal Lamp harness is open or shorted
Turn Signal Lamp circuit poor electrical connection
Faulty Smart Junction Box (SJB)

How to Fix the DTC B2A24?

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 B2A24 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 B2A24 code?

Need more information on how to fix the B2A24 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2A24 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2A24 Ford — Turn Signal Input Circuit Failure
B2A24 Lincoln — Turn Signal Input Circuit Failure
B2A24 Mercury — Turn Signal Input Circuit Failure

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 B2A24 Code

1. What are the common symptoms of OBDII code B2A24 (Turn Signal Input Circuit Failure)?

- Common symptoms include non-functional turn signals, rapid blinking of turn signals, or a warning light on the dashboard indicating a turn signal issue.

2. What are the possible causes of OBDII code B2A24?

- The code B2A24 may be triggered by a faulty turn signal switch, damaged wiring or connectors in the turn signal circuit, or a malfunctioning body control module.

3. How can I diagnose the cause of OBDII code B2A24?

- Diagnosing the issue involves checking the turn signal bulbs, inspecting the wiring and connectors for damage, testing the turn signal switch functionality, and using a diagnostic scan tool to read the code and gather additional data.

4. Can I still drive my vehicle with OBDII code B2A24?

- It is not recommended to drive the vehicle with a malfunctioning turn signal system, as it poses a safety risk to you and other drivers on the road. Prompt repair is advised.

5. How can I repair OBDII code B2A24?

- The repair process involves identifying the root cause (e.g., faulty switch, damaged wiring), replacing any defective components, clearing the error code with a scan tool, and testing the turn signal system to ensure proper functionality.

6. Is it possible to reset OBDII code B2A24 without fixing the underlying issue?

- While clearing the error code temporarily with a scan tool is possible, the code is likely to reappear until the root cause is addressed. It is crucial to fix the underlying problem to prevent further issues.

7. Are there any DIY tips for troubleshooting OBDII code B2A24?

- DIY enthusiasts can start by visually inspecting the turn signal components for damage, checking fuses related to the turn signal circuit, and testing the turn signal switch for proper operation before seeking professional help if needed.

8. Can extreme weather conditions cause OBDII code B2A24 to trigger?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme heat can sometimes lead to electrical issues in the turn signal system, potentially triggering code B2A24. Inspecting and maintaining the system regularly can help prevent such problems.

9. How long does it typically take to repair OBDII code B2A24?

- The repair time for OBDII code B2A24 can vary depending on the specific cause of the issue and the complexity of the repair. In general, it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

10. Is OBDII code B2A24 a serious issue that requires immediate attention?

- While code B2A24 may not cause immediate drivability issues, it is essential to address it promptly to ensure the proper functioning of your vehicle's turn signal system and maintain road safety.