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Engine-Codes – MINI – P1504 MINI

P1504 MINI Code - Idle Speed Control Valve Closing Solenoid Control Open Circuit

Quick Answer

The P1504 MINI code indicates that there is an open circuit in the idle speed control valve closing solenoid control. Common causes include Faulty idle speed control valve closing solenoid, Wiring or connection issues in the circuit, Corrosion or damage to the electrical connectors. 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 MINI indicates Idle Speed Control Valve Closing Solenoid Control Open Circuit.
Common causes
Common causes include Faulty idle speed control valve closing solenoid, Wiring or connection issues in the circuit, Corrosion or damage to the electrical connectors.
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 10, 2024
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Code P1504 MINI Description

The P1504 MINI code indicates that there is an open circuit in the idle speed control valve closing solenoid control. The idle speed control valve plays a crucial role in regulating the engine's idle speed by controlling the amount of air that bypasses the throttle plate. The solenoid is responsible for opening and closing the idle speed control valve based on signals from the engine control module.

OBDII Code P1504 MINI - Idle Speed Control Valve Closing Solenoid Control Open Circuit
P1504 MINI Code - Idle Speed Control Valve Closing Solenoid Control Open Circuit

Common Causes of P1504 MINI

  1. Faulty idle speed control valve closing solenoid
  2. Wiring or connection issues in the circuit
  3. Corrosion or damage to the electrical connectors
  4. Issues with the engine control module
  5. Environmental factors such as moisture or dirt affecting the solenoid

Symptoms of P1504 MINI

  1. Erratic idling
  2. Engine stalling
  3. Poor acceleration
  4. Rough idling
  5. Check engine light illuminated

How to Fix P1504 MINI

  1. Begin by conducting a visual inspection of the idle speed control valve closing solenoid and its wiring for any visible damage or corrosion.
  2. Use a multimeter to test the solenoid and its wiring for continuity and proper voltage.
  3. Replace the idle speed control valve closing solenoid if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1504 MINI

The cost of repairing an open circuit in the idle speed control valve closing solenoid control can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of parts for this repair can range from $50 to $200, while the labor cost can be between $100 and $300. Overall, you can expect to pay anywhere from $150 to $500 for this repair. It is recommended to get quotes from local auto repair shops to get a more accurate estimate based on your vehicle make and model.

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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 P1504 MINI Code

What does the OBDII code P1504 mean for a MINI?

Code P1504 indicates an issue with the Idle Speed Control Valve Closing Solenoid Control Open Circuit, which affects the idle speed control system.

What are the common symptoms of P1504 in a MINI?

Symptoms include rough idling, difficulty starting, stalling, and inconsistent idle speed.

What causes the P1504 code to appear on a MINI?

Possible causes include a faulty idle speed control valve, damaged wiring, corroded electrical connectors, or a malfunctioning ECM.

Can I drive my MINI with the P1504 code active?

Driving with P1504 is possible but not recommended, as rough idling and stalling can lead to unsafe driving conditions.

How do I diagnose the P1504 code on a MINI?

Start by inspecting the idle speed control valve, checking for damaged wiring or connectors, and testing the solenoid and circuit for continuity.

How can I fix the P1504 code in a MINI?

Repairs may include replacing the idle speed control valve, repairing damaged wiring, cleaning corroded connectors, or reprogramming the ECM if needed.

What tools do I need to address the P1504 code on a MINI?

You’ll need an OBDII scanner, multimeter, and possibly basic tools for accessing and replacing components.

How much does it cost to repair the P1504 code on a MINI?

Costs vary depending on the repair, but replacing an idle speed control valve can range from $150 to $400, including parts and labor.

Can the P1504 code be caused by a software issue?

Yes, a fault in the ECM software or incorrect programming can sometimes trigger the P1504 code.

How do I prevent the P1504 code from recurring in my MINI?

Regular maintenance, such as inspecting the idle speed control system and ensuring wiring and connectors are in good condition, can help prevent recurrence.

Discuss the causes and fixes for P1504 MINI OBDII Code

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