BMW DTC P044E – EGR Sensor ‘C’ Circuit Intermittent/Erratic
DTC P044E meaning on BMW
DTC P044E indicates an issue with the EGR (Exhaust Gas Recirculation) Sensor ‘C’ circuit on a BMW vehicle. This diagnostic trouble code is set when the EGR system detects intermittent or erratic signals from the EGR Sensor ‘C’.
BMW DTC P044E symptoms
Symptoms of DTC P044E on a BMW may include:
- Check Engine Light illuminated
- Decreased engine performance
- Engine stalling or rough idling
- Increased fuel consumption
BMW DTC P044E causes
Common causes of DTC P044E on a BMW include:
- Faulty EGR Sensor ‘C’
- Wiring or connector issues in the EGR Sensor ‘C’ circuit
- Carbon buildup in the EGR system
BMW DTC P044E seriousness
While DTC P044E may not cause immediate drivability issues, it can lead to decreased engine performance and increased emissions if left unresolved. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P044E on BMW
To diagnose DTC P044E on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scan tool to retrieve the fault codes
- Inspect the EGR Sensor ‘C’ and its wiring for any visible damage
- Test the EGR Sensor ‘C’ for proper operation using a multimeter
- Clean the EGR system to remove any carbon buildup
How to fix DTC P044E on BMW
To fix DTC P044E on a BMW, the following steps may be taken:
- Replace the faulty EGR Sensor ‘C’
- Repair any damaged wiring or connectors in the EGR Sensor ‘C’ circuit
- Clean the EGR system to ensure proper operation
How to erase DTC P044E on BMW
After addressing the underlying issue causing DTC P044E on a BMW, the fault codes can be cleared using a diagnostic scan tool. This will reset the Check Engine Light and erase the DTC from the vehicle’s memory.
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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