P1507 Lexus Code - PTC AC Auxiliary Heater Disabled Low
Quick Answer
P1507 Lexus indicates PTC AC Auxiliary Heater Disabled Low. Common causes include Faulty Hybrid Vehicle Converter, Hybrid Vehicle Converter harness is open or shorted, Hybrid Vehicle Converter 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
- P1507 Lexus indicates PTC AC Auxiliary Heater Disabled Low.
- Common causes
- Common causes include Faulty Hybrid Vehicle Converter, Hybrid Vehicle Converter harness is open or shorted, Hybrid Vehicle Converter 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 P1507 Lexus Description
What are the Possible Causes of the DTC P1507 Lexus?
- Faulty Hybrid Vehicle Converter
- Hybrid Vehicle Converter harness is open or shorted
- Hybrid Vehicle Converter circuit poor electrical connection
- Faulty Hybrid vehicle control unit
How to Fix the DTC P1507 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 P1507 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 P1507 Lexus Code
1. What does the OBDII code P1507 mean on a Lexus?
P1507 indicates that the PTC (Positive Temperature Coefficient) AC auxiliary heater has been disabled due to a low voltage or related issue.
2. What are the common symptoms of code P1507 on a Lexus?
Symptoms may include reduced cabin heating performance, longer warm-up times for the interior, or no noticeable operation of the auxiliary heater.
3. What causes the P1507 code to appear on a Lexus?
Common causes include a faulty PTC auxiliary heater, wiring or connector issues, low battery voltage, or a malfunctioning control module.
4. Can a weak car battery cause the P1507 code to trigger?
Yes, insufficient battery voltage can prevent the PTC auxiliary heater from functioning properly and trigger the P1507 code.
5. How do I diagnose the P1507 code on my Lexus?
Start by checking the battery voltage, inspecting the wiring and connectors for damage or corrosion, and testing the PTC auxiliary heater for proper operation.
6. Can I drive my Lexus with a P1507 code?
Yes, you can drive the vehicle, but the cabin heating might be less effective, especially in cold weather.
7. How do I fix the P1507 code on a Lexus?
Repairs may include replacing the PTC auxiliary heater, repairing damaged wiring or connectors, or addressing low battery voltage.
8. Is the P1507 code related to the main AC system?
No, the P1507 code specifically pertains to the auxiliary heater, which assists in warming the cabin and is separate from the main AC cooling system.
9. How much does it cost to fix the P1507 code on a Lexus?
Repair costs depend on the root cause but may range from $100 for wiring repairs to over $500 if the PTC auxiliary heater needs replacement.
10. Will clearing the P1507 code fix the issue permanently?
Clearing the code may temporarily remove it, but the underlying issue must be addressed to prevent it from returning.
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