BMW DTC P0AF5 – Drive Motor Inverter Temperature Sensor ‘B’ Circuit High
DTC P0AF5 meaning on BMW
DTC P0AF5 on a BMW indicates an issue with the Drive Motor Inverter Temperature Sensor ‘B’ circuit registering a high voltage condition. The Drive Motor Inverter is a crucial component in electric and hybrid vehicles, responsible for converting the DC power from the battery into AC power to drive the electric motor.
BMW DTC P0AF5 symptoms
Symptoms of DTC P0AF5 on a BMW may include:
- Check Engine Light illuminated
- Reduced power or performance
- Increased fuel consumption
- Vehicle may go into a reduced power mode
BMW DTC P0AF5 causes
Common causes of DTC P0AF5 on a BMW include:
- Faulty Drive Motor Inverter Temperature Sensor ‘B’
- Wiring or connector issues in the sensor circuit
- Internal faults in the Drive Motor Inverter
BMW DTC P0AF5 seriousness
The seriousness of DTC P0AF5 on a BMW should not be ignored, as it can lead to drivability issues and potential damage to the Drive Motor Inverter. Continuing to drive the vehicle with this fault can result in further complications and potentially costly repairs.
How to diagnose DTC P0AF5 on BMW
To diagnose DTC P0AF5 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the Drive Motor Inverter Temperature Sensor ‘B’ and its wiring for any visible damage
- Test the sensor’s resistance and voltage readings to determine if it is functioning correctly
- Check for any loose connections or corrosion in the sensor circuit
How to fix DTC P0AF5 on BMW
Fixing DTC P0AF5 on a BMW may involve the following steps:
- Replace the Drive Motor Inverter Temperature Sensor ‘B’ if it is found to be faulty
- Repair any damaged wiring or connectors in the sensor circuit
- If internal faults are detected in the Drive Motor Inverter, it may need to be repaired or replaced
- Clear the fault code and perform a test drive to ensure the issue has been resolved
How to erase DTC P0AF5 on BMW
To erase DTC P0AF5 on a BMW, the fault code can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue causing the fault code, the diagnostic tool can be used to clear the code from the vehicle’s memory. It is important to ensure that the repairs have been successful before clearing the fault code to prevent it from reoccurring.
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.