AutoCodes – MINI – P1443 MINI

P1443 MINI Code - Leakage Diagnostic Pump Control Circuit Signal High

Quick Answer

P1443 MINI indicates Leakage Diagnostic Pump Control Circuit Signal High. Common causes include Faulty Leakage Diagnostic Pump, Leakage Diagnostic Pump harness is open or shorted, Leakage Diagnostic 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: P1443 MINI indicates Leakage Diagnostic Pump Control Circuit Signal High.
Common causes: Common causes include Faulty Leakage Diagnostic Pump, Leakage Diagnostic Pump harness is open or shorted, Leakage Diagnostic 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 1,723

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 P1443 MINI Description

OBDII Code P1443 MINI - Leakage Diagnostic Pump Control Circuit Signal High - AutoCodes.com — P1443 MINI Code - Leakage Diagnostic Pump Control Circuit Signal High

What does this mean?

What are the Possible Causes of the DTC P1443 MINI?

Faulty Leakage Diagnostic Pump
Leakage Diagnostic Pump harness is open or shorted
Leakage Diagnostic Pump circuit poor electrical connection

How to Fix the DTC P1443 MINI?

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 P1443 MINI 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 P1443 MINI 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.