AutoCodes – Subaru – P1502 Subaru

P1502 Subaru Code - Radiator Fan Function Problem

Quick Answer

P1502 Subaru indicates Radiator Fan Function Problem. Common causes include Faulty Radiator Fan Relay, Radiator Fan Relay harness is open or shorted, Radiator Fan Relay 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: P1502 Subaru indicates Radiator Fan Function Problem.
Common causes: Common causes include Faulty Radiator Fan Relay, Radiator Fan Relay harness is open or shorted, Radiator Fan Relay 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 10,367

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1502 Subaru Description

OBDII Code P1502 Subaru - Radiator Fan Function Problem - AutoCodes.com — P1502 Subaru Code - Radiator Fan Function Problem

What does this mean?

What are the Possible Causes of the DTC P1502 Subaru?

Faulty Radiator Fan Relay
Radiator Fan Relay harness is open or shorted
Radiator Fan Relay poor electrical connection

How to Fix the DTC P1502 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 P1502 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.

Need more information about the P1502 Subaru 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 P1502 Subaru Code

1. What are the common symptoms of OBDII code P1502 in a Subaru related to radiator fan function problems?

- Common symptoms include overheating engine, erratic fan operation, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code P1502 in a Subaru indicating issues with the radiator fan function?

- Possible causes include a faulty radiator fan motor, damaged fan wiring, defective fan control module, or a malfunctioning engine coolant temperature sensor.

3. How can I diagnose the radiator fan function problem related to OBDII code P1502 in my Subaru?

- You can use a diagnostic scanner to retrieve the code, visually inspect the radiator fan and its components, test the fan motor and wiring for continuity, and check the coolant temperature sensor.

4. What are some repair tips for addressing OBDII code P1502 in a Subaru due to radiator fan issues?

- Repair tips include replacing a faulty radiator fan motor, repairing damaged wiring, replacing the fan control module, and ensuring proper connection of the coolant temperature sensor.

5. Can I continue driving my Subaru with OBDII code P1502 related to radiator fan function problems?

- It is not recommended to drive your Subaru with this code as it can lead to engine overheating and potential damage. Prompt repair is advised.

6. How much does it typically cost to repair OBDII code P1502 in a Subaru caused by radiator fan issues?

- The cost of repair can vary depending on the exact cause of the problem, but it may range from $200 to $600 including parts and labor.

7. Will resetting the OBDII code P1502 in my Subaru solve the radiator fan function problem?

- Resetting the code may temporarily turn off the Check Engine Light, but it will not fix the underlying issue with the radiator fan function. Proper diagnosis and repair are necessary.

8. Is it possible to prevent OBDII code P1502 in a Subaru related to radiator fan problems?

- Regular maintenance, such as checking the radiator fan operation, monitoring coolant levels, and addressing any overheating issues promptly, can help prevent this code from appearing.

9. How important is the radiator fan function in a Subaru, and what role does it play in the vehicle's cooling system?

- The radiator fan is crucial for maintaining proper engine temperature by cooling the radiator and preventing overheating. A malfunctioning fan can lead to engine damage and should be addressed promptly.

10. Can a DIY enthusiast with basic automotive knowledge repair OBDII code P1502 in a Subaru caused by radiator fan issues?

- While some simple tasks like checking fuses or connections can be DIY-friendly, diagnosing and repairing complex issues with the radiator fan system may require professional expertise and specialized tools.