B1507 Lexus 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 Lexus 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.
Code B1507 Lexus Description
What are the Possible Causes of the DTC B1507 Lexus?
- 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 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 B1507 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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Frequently Asked Questions about B1507 Lexus Code
1. What does the OBDII code B1507 for Lexus indicate?
The B1507 code signifies an open circuit in the turn signal system of a Lexus vehicle.
2. What are the common symptoms of an open in the turn signal circuit (B1507) in a Lexus?
Common symptoms include non-functioning turn signals, fast blinking of turn signal lights, or complete failure of the turn signal system.
3. What are the possible causes of the B1507 OBDII code in a Lexus?
Potential causes include a faulty turn signal switch, damaged wiring harness, blown fuse, or a defective turn signal relay.
4. How can I diagnose the open circuit in the turn signal circuit of my Lexus (B1507 code)?
To diagnose the issue, visually inspect the turn signal wiring, check the fuse box for blown fuses, test the turn signal switch, and use a multimeter to check for continuity in the circuit.
5. Can I repair the B1507 code in my Lexus at home, or do I need professional assistance?
Depending on your level of automotive knowledge and experience, you may be able to repair the open circuit issue yourself by replacing damaged components or repairing faulty wiring. However, if you are unsure, it's best to seek help from a professional mechanic.
6. Is it safe to continue driving my Lexus with the B1507 code (Open In Turn Signal Circuit) present?
It is not advisable to drive your Lexus with the B1507 code active, as non-functioning turn signals can pose a safety risk on the road. It's recommended to address the issue promptly.
7. Can a malfunctioning turn signal relay cause the B1507 code in a Lexus?
Yes, a defective turn signal relay can lead to the B1507 code due to interruptions in the circuit that prevent proper signaling operation.
8. What are some tips for preventing the recurrence of the B1507 code in my Lexus?
To prevent the B1507 code from reoccurring, perform regular maintenance checks on the turn signal system, avoid overloading the electrical circuits, and handle wiring connections with care.
9. Will resetting the OBDII system clear the B1507 code in a Lexus?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the open circuit is not addressed, the code is likely to reappear.
10. How much can I expect to pay for repairing the B1507 code (Open In Turn Signal Circuit) in a Lexus at a professional repair shop?
The cost of repairing the B1507 code can vary depending on the specific cause of the issue, but it may range from $100 to $300 or more, including parts and labor.
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