P144A – BMW DTC

BMW DTC P144A – Fuel Level / Tank Capacity Correlation

DTC P144A meaning on BMW

DTC P144A on a BMW indicates a Fuel Level / Tank Capacity Correlation issue. This means that there is a discrepancy between the fuel level sensor reading and the actual tank capacity, leading to an inaccurate fuel level display on the dashboard.

BMW DTC P144A symptoms

Symptoms of DTC P144A in a BMW may include:

• Inaccurate fuel level readings on the dashboard
• Check Engine Light (CEL) illuminated
• Possible fuel gauge fluctuations

BMW DTC P144A causes

The common causes of DTC P144A in a BMW are:

• Defective fuel level sensor
• Issues with the fuel tank capacity calculation module
• Wiring or connection problems related to the fuel level sensor

BMW DTC P144A seriousness

While DTC P144A may not directly affect the drivability of the vehicle, it is important to address this issue promptly. Ignoring the problem can lead to inconvenience due to inaccurate fuel level readings and potential issues with fuel management.

How to diagnose DTC P144A on BMW

To diagnose DTC P144A on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the fuel level sensor and its wiring for any visible damage
3. Check the fuel tank capacity calculation module for proper functioning
4. Perform a fuel system test to ensure accurate readings

How to fix DTC P144A on BMW

To fix DTC P144A on a BMW, you may need to:

1. Replace the faulty fuel level sensor
2. Repair or replace any damaged wiring or connections related to the sensor
3. Reset the fuel tank capacity calculation module
4. Clear the fault codes and perform a test drive to verify the repair

How to erase DTC P144A on BMW

To erase DTC P144A on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Disconnect the car battery for a few minutes to reset the system
3. Ensure that the underlying issue causing the fault code has been addressed before clearing it

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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