AutoCodes – Toyota – B1507 Toyota

B1507 Toyota Code - Open In Turn Signal Circuit

Quick Answer

The Diagnostic Trouble Code (DTC) is stored when the Combination Meter Assembly (meter circuit plate) detects an open in a Turn Signal Light Circuit, or a short in a Turn Signal Light Circuit or the Hazard Warning Light Circuit. Common causes include Faulty Turn Signal Bulb, Turn Signal harness is open or shorted, Turn Signal 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: B1507 Toyota indicates Open In Turn Signal Circuit.
Common causes: Common causes include Faulty Turn Signal Bulb, Turn Signal harness is open or shorted, Turn Signal 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 40,820

How popular is this code, among other codes? Medium

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 B1507 Toyota Description

OBDII Code B1507 Toyota - Open In Turn Signal Circuit - AutoCodes.com — B1507 Toyota Code - Open In Turn Signal Circuit

What does this mean?

What are the Possible Causes of the DTC B1507 Toyota?

Faulty Turn Signal Bulb
Turn Signal harness is open or shorted
Turn Signal circuit poor electrical connection
Faulty Combination Meter Assembly

How to Fix the DTC B1507 Toyota?

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 B1507 Toyota 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 B1507 Toyota code?

Need more information on how to fix the B1507 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1507 Toyota 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 B1507 Toyota Code

1. What are the common symptoms of OBDII code B1507 Toyota (Open In Turn Signal Circuit)?

- The common symptoms include non-functional turn signals, fast blinking turn signal indicators, or no response when activating the turn signal switch.

2. What can cause the OBDII code B1507 Toyota to trigger (Open In Turn Signal Circuit)?

- The code can be triggered by a damaged or broken wire in the turn signal circuit, a faulty turn signal relay, or a malfunctioning turn signal switch.

3. How do I diagnose the Open In Turn Signal Circuit issue related to OBDII code B1507 Toyota?

- Use a multimeter to test the continuity of the turn signal circuit wiring, check the turn signal relay for proper functioning, and inspect the turn signal switch for any signs of damage.

4. What are the repair options for fixing the Open In Turn Signal Circuit problem associated with OBDII code B1507 Toyota?

- Repair options include repairing or replacing damaged wires in the turn signal circuit, replacing the faulty turn signal relay, or installing a new turn signal switch if needed.

5. Can a DIY enthusiast fix the OBDII code B1507 Toyota (Open In Turn Signal Circuit) issue at home?

- Yes, some DIY enthusiasts with basic automotive repair skills can attempt to diagnose and fix the Open In Turn Signal Circuit problem, but it is recommended to consult a professional if unsure.

6. Is it safe to continue driving with the OBDII code B1507 Toyota (Open In Turn Signal Circuit) triggered?

- It is not recommended to drive with non-functional turn signals as it can pose a safety hazard to you and other drivers on the road. It's best to address the issue promptly.

7. What are the potential risks of ignoring the OBDII code B1507 Toyota (Open In Turn Signal Circuit) problem?

- Ignoring the issue can lead to reduced visibility on the road, increasing the risk of accidents or collisions, as other drivers may not be aware of your intentions to turn or change lanes.

8. How long does it typically take to repair the Open In Turn Signal Circuit problem causing OBDII code B1507 Toyota?

- The repair time can vary depending on the exact cause of the issue and the availability of parts. Simple fixes like replacing a relay may take less than an hour, while more complex wiring repairs can take longer.

9. Are there any preventive measures to avoid triggering the OBDII code B1507 Toyota (Open In Turn Signal Circuit)?

- Regularly inspecting and maintaining the turn signal system, avoiding water damage to the wiring, and addressing any turn signal issues promptly can help prevent triggering this code.

10. Can extreme weather conditions affect the likelihood of encountering the OBDII code B1507 Toyota (Open In Turn Signal Circuit) issue?

- Yes, extreme weather conditions, such as heavy rain or snow, can increase the chances of water damage to the turn signal circuit wiring, potentially leading to the Open In Turn Signal Circuit problem.