P1441 BMW Leakage Diagnostic Pump Control Open Circuit

• OBD2 Code: P1441
• Description: Leakage Diagnostic Pump Control Open Circuit
• Definition: This code indicates that there is an open circuit in the control of the leakage diagnostic pump, which is part of the vehicle’s evaporative emission control system. The pump is responsible for pressurizing the fuel tank and associated components to check for leaks.

p1441 bmw leakage diagnostic pump control open circuit

Typical severity: Moderate

Common Causes

P1441 – BMW Leakage Diagnostic Pump Control Open Circuit

Common Causes:

• Faulty leakage diagnostic pump
• Open or short circuit in the wiring harness
• Loose electrical connections
• Corroded or damaged connectors

 

Common Misdiagnosis

OBD2 Code: P1441

Description: BMW Leakage Diagnostic Pump Control Open Circuit

Common Misdiagnosis: Replacing the leakage diagnostic pump without checking for wiring issues or blown fuses.

 

Common Diagnostic Steps

OBD2 Code: P1441

Description: BMW Leakage Diagnostic Pump Control Open Circuit

• Check the wiring and connectors for any signs of damage or corrosion.
• Inspect the leakage diagnostic pump for proper operation and ensure it is receiving power.
• Test the control circuit for continuity and check for any open circuits.
• Verify that the engine control module (ECM) is functioning correctly and sending signals to the pump.
• Use a scan tool to clear the code and perform a road test to see if it returns.