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Engine-Codes – Generic – P240A

P240A Code - Evaporative Emission System Leak Detection Pump Heater Control Circuit/Open

Quick Answer

The P240A code indicates a problem with the Evaporative Emission System Leak Detection Pump Heater Control Circuit being open or not functioning properly. Common causes include Blown fuse, Damaged wiring, Faulty heater control circuit. 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
P240A indicates Evaporative Emission System Leak Detection Pump Heater Control Circuit/Open.
Common causes
Common causes include Blown fuse, Damaged wiring, Faulty heater control circuit.
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 06, 2024
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Code P240A Description

The P240A code indicates a problem with the Evaporative Emission System Leak Detection Pump Heater Control Circuit being open or not functioning properly. The evaporative emission system in a vehicle is responsible for controlling and capturing fuel vapors to prevent them from escaping into the atmosphere. The leak detection pump (LDP) is a key component of this system, as it helps to monitor for leaks in the system.

OBDII Code P240A - Evaporative Emission System Leak Detection Pump Heater Control Circuit/Open
P240A Code - Evaporative Emission System Leak Detection Pump Heater Control Circuit/Open

Common Causes of P240A

  1. Blown fuse
  2. Damaged wiring
  3. Faulty heater control circuit
  4. Corrosion or damage to components
  5. Malfunctioning leak detection pump

Symptoms of P240A

  1. Check engine light is illuminated
  2. Decreased fuel efficiency
  3. Strong fuel odor
  4. Failed emissions test
  5. Rough idle or stalling

How to Fix P240A

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and inspect the LDP and related components for any visible damage.
  2. Check the fuse related to the heater control circuit and replace if necessary.
  3. Inspect the wiring for any breaks or damage, repairing or replacing as needed.
  4. Test the heater control circuit to ensure it is functioning properly, replacing any faulty components.
  5. Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P240A

The typical repair costs for addressing a P240A code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $100 and $300 for parts and labor. Keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's best to get a few quotes to ensure you're getting a fair price.

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Code P240A Information for Specific Makes

  • P240A BMW — Evaporative Emission System Leak Detection Pump Heater Control Circuit/Open
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.

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