BMW DTC P019E – Alternative Fuel Tank ‘A’ Pressure Sensor Circuit
DTC P019E meaning on BMW
The DTC P019E code on a BMW indicates an issue with the Alternative Fuel Tank ‘A’ Pressure Sensor Circuit. This code is triggered when the powertrain control module (PCM) detects a voltage signal from the pressure sensor that is outside the expected range.
BMW DTC P019E symptoms
Symptoms of a DTC P019E on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine running rough or stalling
- Difficulty starting the vehicle
BMW DTC P019E causes
Common causes of a DTC P019E on a BMW include:
- Faulty Alternative Fuel Tank ‘A’ Pressure Sensor
- Wiring or connector issues in the sensor circuit
- Corrosion or damage to sensor components
- PCM software issues
BMW DTC P019E seriousness
The seriousness of a DTC P019E on a BMW depends on the underlying cause. Ignoring this code can lead to potential drivability issues and decreased fuel efficiency. It is recommended to address this code promptly to prevent further damage to the vehicle.
How to diagnose DTC P019E on BMW
To diagnose a DTC P019E on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors related to the Alternative Fuel Tank ‘A’ Pressure Sensor
- Test the sensor’s voltage signal and resistance
- Check for any leaks or damage in the fuel tank system
How to fix DTC P019E on BMW
To fix a DTC P019E on a BMW, the following steps may be taken:
- Replace the faulty Alternative Fuel Tank ‘A’ Pressure Sensor
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Clean or replace sensor components affected by corrosion
- Update the PCM software if necessary
How to erase DTC P019E on BMW
To erase a DTC P019E on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue that triggered the code, the scanner can be used to clear the code and reset the Check Engine Light.
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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