BMW DTC P244E – Exhaust Temperature Too Low For Particulate Filter Regeneration (Bank 2)
DTC P244E meaning on BMW
DTC P244E indicates that the exhaust temperature is too low for the particulate filter regeneration process to occur on Bank 2 in a BMW vehicle. The particulate filter is designed to trap harmful emissions and periodically goes through a regeneration process to burn off accumulated soot. When the exhaust temperature is too low, this regeneration process cannot take place effectively, leading to the DTC P244E fault code.
BMW DTC P244E symptoms
Symptoms of DTC P244E on a BMW may include:
- Check Engine Light (CEL) illuminated
- Reduced engine performance
- Increased fuel consumption
- Potential black smoke from the exhaust
BMW DTC P244E causes
The common causes of DTC P244E on a BMW include:
- Malfunctioning exhaust temperature sensor
- Issues with the particulate filter
- Problems with the regeneration system
- Wiring or connection issues
BMW DTC P244E seriousness
Ignoring DTC P244E on a BMW can lead to potential long-term damage to the particulate filter and the overall exhaust system. It can also result in increased emissions and reduced fuel efficiency. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P244E on BMW
To diagnose DTC P244E on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the exhaust temperature sensor and wiring for any damage
- Check the condition of the particulate filter and regeneration system
- Perform a regeneration process to see if the exhaust temperature increases
How to fix DTC P244E on BMW
To fix DTC P244E on a BMW, the following steps may be taken:
- Replace the faulty exhaust temperature sensor if necessary
- Clean or replace the particulate filter if it is clogged or damaged
- Repair any wiring or connection issues in the system
- Reset the fault code and perform a regeneration process to ensure the issue is resolved
How to erase DTC P244E on BMW
To erase DTC P244E on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the fault code, resetting the code will turn off the Check Engine Light and ensure that the system is functioning properly.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.