AutoCodes – BMW – P1440 BMW

P1440 BMW Code - Purge Control Valve Control Circuit Signal High

Quick Answer

P1440 BMW indicates Purge Control Valve Control Circuit Signal High. Common causes include Faulty Purge Control Valve, Purge Control Valve harness is open or shorted, Purge Control Valve 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: P1440 BMW indicates Purge Control Valve Control Circuit Signal High.
Common causes: Common causes include Faulty Purge Control Valve, Purge Control Valve harness is open or shorted, Purge Control Valve 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 4,739

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 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1440 BMW Description

OBDII Code P1440 BMW - Purge Control Valve Control Circuit Signal High - AutoCodes.com — P1440 BMW Code - Purge Control Valve Control Circuit Signal High

What does this mean?

What are the Possible Causes of the DTC P1440 BMW?

Faulty Purge Control Valve
Purge Control Valve harness is open or shorted
Purge Control Valve circuit poor electrical connection

How to Fix the DTC P1440 BMW?

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 P1440 BMW 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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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.