AutoCodes – Generic – P240C

P240C Code - Evaporative Emission System Leak Detection Pump Heater Control Circuit High

Quick Answer

The Engine Control Module (ECM) checks power consumption on the Leak Detection Pump. Common causes include Faulty Leak Detection Pump, Leak Detection Pump harness is open or shorted, Leak Detection Pump circuit 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: P240C indicates Evaporative Emission System Leak Detection Pump Heater Control Circuit High.
Common causes: Common causes include Faulty Leak Detection Pump, Leak Detection Pump harness is open or shorted, Leak Detection Pump circuit 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 15,843

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P240C Description

The Engine Control Module (ECM) checks power consumption on the Leak Detection Pump. The Diagnostic Trouble Code (DTC) can be diagnosed when the leak diagnostic system is run. A diagnostic trouble code is stored if the current consumption of the pump in the Leak Detection Pump unit varies too much during the reference phase.

OBDII Code P240C - Evaporative Emission System Leak Detection Pump Heater Control Circuit High - AutoCodes.com — P240C Code - Evaporative Emission System Leak Detection Pump Heater Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P240C?

Faulty Leak Detection Pump
Leak Detection Pump harness is open or shorted
Leak Detection Pump circuit poor electrical connection

How to Fix the DTC P240C?

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 P240C 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 P240C code?

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Need Help with the Code?

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Information for Specific Makes

P240C BMW — Evaporative Emission System Leak Detection Pump Heater Control Circuit High

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.