P144C – BMW DTC

BMW DTC P144C – Fan Safety Relay Circuit

DTC P144C meaning on BMW

The Diagnostic Trouble Code (DTC) P144C for BMW refers to an issue with the Fan Safety Relay Circuit. This code indicates a malfunction in the circuit responsible for controlling the fan safety relay, which plays a crucial role in regulating the cooling fan operation in the vehicle.

BMW DTC P144C symptoms

Symptoms associated with BMW DTC P144C may include:

• Engine overheating
• Malfunctioning cooling fan
• Check Engine Light (CEL) illuminated on the dashboard

BMW DTC P144C causes

Common causes of BMW DTC P144C may include:

• Defective fan safety relay
• Faulty wiring or connectors in the fan safety relay circuit
• Issues with the cooling fan motor

BMW DTC P144C seriousness

The seriousness of BMW DTC P144C lies in the potential for engine overheating, which can lead to severe damage if not addressed promptly. Ignoring this code may result in engine failure or other related issues.

How to diagnose DTC P144C on BMW

To diagnose BMW DTC P144C, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer.
2. Inspect the fan safety relay and associated wiring for any visible damage or corrosion.
3. Test the fan safety relay for proper functionality using a multimeter.
4. Check the cooling fan motor for any signs of malfunction.

How to fix DTC P144C on BMW

To fix BMW DTC P144C, you can try the following solutions:

1. Replace the faulty fan safety relay with a new one.
2. Repair or replace any damaged wiring or connectors in the circuit.
3. If the cooling fan motor is faulty, replace it with a new one.

How to erase DTC P144C on BMW

To erase BMW DTC P144C from the vehicle’s computer, you can:

1. Use a diagnostic scanner to clear the fault codes after the repairs have been completed.
2. Ensure that the issue causing the fault code has been resolved before clearing the code.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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