AutoCodes – Lexus – B1508 Lexus

B1508 Lexus Code - Short In Turn Signal / Hazard Flasher 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 / Hazard Flasher Bulb, Turn Signal / Hazard Flasher harness is open or shorted, Turn Signal / Hazard Flasher 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
B1508 Lexus indicates Short In Turn Signal / Hazard Flasher Circuit.
Common causes
Common causes include Faulty Turn Signal / Hazard Flasher Bulb, Turn Signal / Hazard Flasher harness is open or shorted, Turn Signal / Hazard Flasher 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 1,795
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 29, 2019
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Code B1508 Lexus Description

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.
OBDII Code B1508 Lexus - Short In Turn Signal / Hazard Flasher Circuit - AutoCodes.com
B1508 Lexus Code - Short In Turn Signal / Hazard Flasher Circuit

What are the Possible Causes of the DTC B1508 Lexus?

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

How to Fix the DTC B1508 Lexus?

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 B1508 Lexus 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.

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Need Help with the Code?

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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 B1508 Lexus Code

1. What are the common symptoms of OBDII code B1508 in a Lexus related to a short in the turn signal/hazard flasher circuit?

The common symptoms include non-functioning turn signals or hazard lights, fast blinking of turn signals, or a blown fuse.

2. What are the possible causes of OBDII code B1508 in a Lexus indicating a short in the turn signal/hazard flasher circuit?

Possible causes include a faulty turn signal/hazard flasher relay, a short circuit in the wiring harness, a malfunctioning switch, or a defective bulb.

3. How can I diagnose the issue related to OBDII code B1508 in my Lexus with a suspected short in the turn signal/hazard flasher circuit?

You can start by checking the turn signal/hazard flasher relay, inspecting the wiring for any visible damage, testing the switch for proper operation, and verifying the condition of the bulbs.

4. Is it safe to continue driving my Lexus with OBDII code B1508 indicating a short in the turn signal/hazard flasher circuit?

It is not recommended to drive the vehicle with non-functioning turn signals or hazard lights as it can pose a safety risk to you and other drivers on the road.

5. Can I repair OBDII code B1508 related to a short in the turn signal/hazard flasher circuit in my Lexus by myself?

If you have experience with automotive electrical systems, you may be able to diagnose and repair the issue yourself. However, it is advisable to consult a professional mechanic for accurate diagnosis and proper repair.

6. How much does it typically cost to repair OBDII code B1508 in a Lexus due to a short in the turn signal/hazard flasher circuit?

The cost of repair can vary depending on the exact cause of the issue and the labor rates in your area. It is recommended to obtain quotes from local auto repair shops for an accurate estimate.

7. Are there any preventive measures I can take to avoid encountering OBDII code B1508 in my Lexus related to a short in the turn signal/hazard flasher circuit?

Regularly inspecting the condition of your turn signals, hazard lights, and related components can help identify potential issues early and prevent more serious problems from occurring.

8. Can a faulty hazard switch cause OBDII code B1508 to trigger in a Lexus with a short in the turn signal/hazard flasher circuit?

Yes, a malfunctioning hazard switch can potentially cause a short in the turn signal/hazard flasher circuit, leading to the triggering of OBDII code B1508.

9. Are there any recalls or technical service bulletins related to OBDII code B1508 in Lexus vehicles with issues in the turn signal/hazard flasher circuit?

It is recommended to check with your local Lexus dealership or visit the manufacturer's official website to see if there are any recalls or technical service bulletins related to this specific OBDII code.

10. How urgent is it to address OBDII code B1508 in a Lexus caused by a short in the turn signal/hazard flasher circuit?

It is important to address this issue promptly to ensure the proper functioning of your vehicle's turn signals and hazard lights, which are crucial for your safety and the safety of others on the road.

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