P244A – BMW DTC

BMW DTC P244A – Particulate Filter Differential Pressure Too Low (Bank 1)

DTC P244A meaning on BMW

DTC P244A indicates that the particulate filter differential pressure is too low on Bank 1 in a BMW vehicle. This means that the pressure difference across the diesel particulate filter (DPF) is not within the expected range, which can lead to issues with the DPF system’s efficiency.

BMW DTC P244A symptoms

Symptoms of DTC P244A in a BMW may include:

• Check Engine Light (CEL) illuminated
• Reduced engine power
• Increased fuel consumption
• Excessive exhaust smoke

BMW DTC P244A causes

The common causes of DTC P244A in a BMW include:

• Clogged or restricted DPF
• Malfunctioning DPF pressure sensor
• Issues with the DPF differential pressure sensor circuit
• Software or calibration issues

BMW DTC P244A seriousness

Ignoring DTC P244A in a BMW can lead to further damage to the DPF system and potentially affect the vehicle’s performance and emissions. It is important to address this issue promptly to prevent more severe problems.

How to diagnose DTC P244A on BMW

To diagnose DTC P244A on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the DPF for any signs of clogging or damage
3. Check the DPF pressure sensor and its wiring for faults
4. Verify the operation of the DPF differential pressure sensor

How to fix DTC P244A on BMW

To fix DTC P244A on a BMW, you may need to:

1. Clean or replace the DPF if it is clogged
2. Replace the DPF pressure sensor if faulty
3. Repair any wiring issues in the DPF pressure sensor circuit
4. Update the software or perform calibration on the DPF system

How to erase DTC P244A on BMW

To erase DTC P244A on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. After fixing the underlying issue, drive the vehicle to allow the system to retest and verify the repair
3. If the repair is successful, the Check Engine Light should turn off

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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