P147A – BMW DTC

BMW DTC P147A – EVAP System Pressure Sensor/Switch Pressure Implausible

DTC P147A meaning on BMW

The DTC P147A on a BMW indicates an issue with the EVAP (Evaporative Emission Control) system pressure sensor/switch pressure being implausible. This means that the pressure readings from the sensor or switch are not within the expected range, leading to a fault code being triggered.

BMW DTC P147A symptoms

Symptoms of the DTC P147A on a BMW may include:

• Check Engine Light illuminated
• Decreased fuel efficiency
• Issues with the vehicle’s emissions
• Problems with the EVAP system

BMW DTC P147A causes

Common causes of the DTC P147A on a BMW include:

• Faulty EVAP system pressure sensor/switch
• Leaks in the EVAP system
• Electrical issues in the EVAP system circuit
• Problems with the EVAP canister or purge valve

BMW DTC P147A seriousness

While the DTC P147A may not cause immediate drivability issues, it is important to address this fault code promptly. Ignoring the problem can lead to increased emissions, decreased fuel efficiency, and potential long-term damage to the vehicle’s emissions control system.

How to diagnose DTC P147A on BMW

To diagnose the DTC P147A on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code
2. Inspect the EVAP system components for any visible damage or leaks
3. Test the EVAP system pressure sensor/switch for proper operation
4. Check the electrical connections and wiring related to the EVAP system

How to fix DTC P147A on BMW

To fix the DTC P147A on a BMW, you may need to:

1. Replace the faulty EVAP system pressure sensor/switch
2. Repair any leaks in the EVAP system
3. Address any electrical issues in the EVAP system circuit
4. Clean or replace the EVAP canister or purge valve if necessary

How to erase DTC P147A on BMW

To erase the DTC P147A on a BMW, you can:

1. Use a diagnostic scanner to clear the fault code
2. After fixing the underlying issue, drive the vehicle to allow the system to retest and verify that the fault code does not return

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.