P1504 Subaru Code - Vehicle Speed Sensor CAN Malfunction
Quick Answer
P1504 Subaru indicates Vehicle Speed Sensor CAN Malfunction. Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle Speed Sensor 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
- P1504 Subaru indicates Vehicle Speed Sensor CAN Malfunction.
- Common causes
- Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle Speed Sensor 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 P1504 Subaru Description
What are the Possible Causes of the DTC P1504 Subaru?
- Faulty Vehicle Speed Sensor
- Vehicle Speed Sensor harness is open or shorted
- Vehicle Speed Sensor poor electrical connection
How to Fix the DTC P1504 Subaru?
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 P1504 Subaru 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 P1504 Subaru Code
1. What are the common symptoms of OBDII code P1504 in a Subaru related to Vehicle Speed Sensor CAN Malfunction?
- Common symptoms may include erratic speedometer readings, issues with the cruise control system, and the illumination of the check engine light.
2. What could be causing the OBDII code P1504 in a Subaru related to Vehicle Speed Sensor CAN Malfunction?
- The code can be triggered by a faulty vehicle speed sensor, damaged wiring or connectors, or issues with the Controller Area Network (CAN) communication system.
3. How can I diagnose the cause of OBDII code P1504 in my Subaru?
- Proper diagnosis involves checking the vehicle speed sensor for proper operation, inspecting the wiring and connectors for damage, and using a diagnostic scanner to analyze the CAN communication system.
4. Is it safe to continue driving my Subaru with OBDII code P1504 related to Vehicle Speed Sensor CAN Malfunction?
- It is generally not recommended to continue driving with this code present, as it can affect the accuracy of speed readings and potentially impact the vehicle's overall performance.
5. Can I repair OBDII code P1504 related to Vehicle Speed Sensor CAN Malfunction in my Subaru on my own?
- Depending on your level of automotive expertise, you may be able to address the issue by replacing the vehicle speed sensor, repairing damaged wiring, or addressing CAN communication issues. However, professional diagnosis and repair may be necessary.
6. How much does it typically cost to repair OBDII code P1504 in a Subaru related to Vehicle Speed Sensor CAN Malfunction?
- The cost of repair can vary depending on the exact cause of the issue and whether you choose to address it yourself or seek professional help. Costs may include parts, labor, and diagnostic fees.
7. Can a Subaru dealership help me with OBDII code P1504 related to Vehicle Speed Sensor CAN Malfunction?
- Yes, Subaru dealerships have trained technicians and specialized equipment to diagnose and repair issues related to OBDII codes like P1504. They can provide expert assistance in resolving the problem.
8. Are there any preventive measures I can take to avoid OBDII code P1504 related to Vehicle Speed Sensor CAN Malfunction in my Subaru?
- Regular maintenance, such as checking and replacing the vehicle speed sensor as recommended by the manufacturer, can help prevent issues that may trigger this code.
9. Will resetting the OBDII code P1504 related to Vehicle Speed Sensor CAN Malfunction in my Subaru make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to reappear. It's important to diagnose and repair the root cause of the problem.
10. Can a malfunctioning Vehicle Speed Sensor CAN trigger other OBDII codes besides P1504 in a Subaru?
- Yes, issues with the Vehicle Speed Sensor CAN system can potentially trigger other related OBDII codes, such as P0500 for Vehicle Speed Sensor malfunction or P0501 for Vehicle Speed Sensor circuit range/performance problems.
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