P144E – BMW DTC

BMW DTC P144E – Fan Safety Relay Circuit High

DTC P144E meaning on BMW

DTC P144E in a BMW indicates a fault in the Fan Safety Relay Circuit High. This fault code is related to the cooling fan system of the vehicle. The Engine Control Module (ECM) monitors the operation of the cooling fan relay circuit and triggers this diagnostic trouble code when it detects a high voltage condition in the circuit.

BMW DTC P144E symptoms

Symptoms of DTC P144E in a BMW may include:

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

BMW DTC P144E causes

Common causes of DTC P144E in a BMW include:

• Faulty cooling fan relay
• Short circuit in the cooling fan relay circuit
• High resistance in the cooling fan relay circuit

BMW DTC P144E seriousness

DTC P144E in a BMW should be addressed promptly to prevent potential engine overheating and damage. Ignoring this fault code can lead to severe engine issues and compromise the vehicle’s performance and reliability.

How to diagnose DTC P144E on BMW

To diagnose DTC P144E on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
2. Inspect the cooling fan relay and its wiring for any visible damage or corrosion.
3. Check the voltage and resistance in the cooling fan relay circuit using a multimeter.
4. Perform a thorough visual inspection of the cooling fan system components.

How to fix DTC P144E on BMW

To fix DTC P144E on a BMW, you can try the following solutions:

1. Replace the faulty cooling fan relay with a new one.
2. Repair any damaged or corroded wiring in the cooling fan relay circuit.
3. Clean any connectors or terminals related to the cooling fan system.
4. Clear the fault code and test the cooling fan system for proper operation.

How to erase DTC P144E on BMW

To erase DTC P144E on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After performing the necessary repairs and ensuring the issue is resolved, you can reset the fault code and monitor the system for any reoccurrence.