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Engine-Codes – Generic – C1504

C1504 Code - Tire Pressure Sensor 4

Quick Answer

The C1504 code refers to an issue with Tire Pressure Sensor 4 in the vehicle's tire pressure monitoring system (TPMS). Common causes include Faulty tire pressure sensor, Low battery power in the sensor, Corrosion or damage to the sensor's internal components. 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
C1504 indicates Tire Pressure Sensor 4.
Common causes
Common causes include Faulty tire pressure sensor, Low battery power in the sensor, Corrosion or damage to the sensor's internal components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code C1504 Description

The C1504 code refers to an issue with Tire Pressure Sensor 4 in the vehicle's tire pressure monitoring system (TPMS). This sensor is responsible for monitoring the air pressure in the fourth tire of the vehicle. When this sensor detects low tire pressure, it sends a signal to the vehicle's computer system, which then triggers the TPMS warning light on the dashboard to alert the driver.

OBDII Code C1504 - Tire Pressure Sensor 4
C1504 Code - Tire Pressure Sensor 4

Common Causes of C1504

  1. Faulty tire pressure sensor
  2. Low battery power in the sensor
  3. Corrosion or damage to the sensor's internal components
  4. Wiring or communication issues between the sensor and the vehicle's computer system
  5. Tire pressure sensor placement or installation issues

Symptoms of C1504

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate or fluctuating tire pressure readings on the display
  3. Loss of communication with the tire pressure sensor
  4. Tire pressure readings not displaying at all

How to Fix C1504

  1. Begin by confirming the specific tire pressure sensor that is malfunctioning (in this case, Tire Pressure Sensor 4).
  2. Inspect the sensor for any visible damage or corrosion.
  3. Replace the faulty tire pressure sensor with a new one.
  4. Reset the TPMS system to clear the error code and recalibrate the new sensor.
  5. Test the system to ensure proper communication and accurate tire pressure readings.

Cost to Fix C1504

The cost of repairing a tire pressure sensor can vary depending on the make and model of the vehicle, as well as the location and labor rates of the auto repair shop. In general, the cost of a new tire pressure sensor can range from $50 to $200, with additional labor costs for installation and system recalibration. Overall, the total repair cost for addressing the C1504 code may range from $100 to $400. It's recommended to consult with a professional mechanic to get an accurate cost estimate based on your specific vehicle and location.

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Code C1504 Information for Specific Makes

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 C1504 Code

1. What does OBDII code C1504 mean?

- OBDII code C1504 refers to an issue with Tire Pressure Sensor 4, indicating a problem with the fourth tire pressure sensor in the vehicle.

2. What are common symptoms of OBDII code C1504?

- Common symptoms include the tire pressure warning light being illuminated on the dashboard, inaccurate tire pressure readings, and a malfunctioning tire pressure monitoring system.

3. What are the possible causes of OBDII code C1504?

- The code C1504 can be triggered by a faulty tire pressure sensor in the fourth position, low battery voltage in the sensor, sensor signal interference, or a communication error within the tire pressure monitoring system.

4. How can I diagnose OBDII code C1504?

- Diagnosing OBDII code C1504 typically involves using a diagnostic scan tool to read the specific error code, checking the tire pressure sensor in the fourth position for damage or malfunction, and testing the sensor's battery voltage.

5. Can I drive with OBDII code C1504 active?

- While it may be possible to drive with OBDII code C1504 active, it is not recommended as it can lead to inaccurate tire pressure readings and potentially compromise your safety on the road.

6. How can I repair OBDII code C1504?

- Repairing OBDII code C1504 usually involves replacing the faulty tire pressure sensor in the fourth position, ensuring proper battery voltage in the new sensor, and resetting the tire pressure monitoring system.

7. Are there any DIY tips for fixing OBDII code C1504?

- DIY enthusiasts can attempt to replace the tire pressure sensor in the fourth position themselves if they have the necessary tools and knowledge. However, it is recommended to consult a professional for accurate diagnosis and repair.

8. How much does it cost to fix OBDII code C1504?

- The cost of fixing OBDII code C1504 can vary depending on the vehicle make and model, the location of the faulty sensor, and whether you choose to replace it yourself or have a mechanic do the work. Costs typically range from $50 to $200.

9. Will OBDII code C1504 reset itself after the issue is fixed?

- In most cases, OBDII code C1504 will reset itself after the underlying issue with the tire pressure sensor in the fourth position is resolved and the system detects normal operation. If the code persists, a manual reset with a diagnostic tool may be required.

10. How can I prevent OBDII code C1504 from occurring again?

- To prevent OBDII code C1504 from recurring, regular maintenance of the tire pressure monitoring system, checking tire pressures regularly, and promptly addressing any issues with the sensors can help maintain proper functionality and prevent future codes.

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