BMW DTC P273F – Transmission Fluid Temperature Sensor ‘B’ Over Temperature Condition
DTC P273F meaning on BMW
DTC P273F on a BMW indicates an over-temperature condition detected by the Transmission Fluid Temperature Sensor ‘B’. This means that the sensor has detected that the transmission fluid temperature is higher than the specified threshold, which can lead to potential issues with the transmission system.
BMW DTC P273F symptoms
Symptoms of DTC P273F on a BMW may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Reduced fuel efficiency
- Transmission overheating warning message
BMW DTC P273F causes
Common causes of DTC P273F on a BMW include:
- Low transmission fluid level
- Transmission fluid contamination
- Defective Transmission Fluid Temperature Sensor ‘B’
- Faulty wiring or connections related to the sensor
BMW DTC P273F seriousness
Ignoring DTC P273F on a BMW can lead to potential damage to the transmission system, resulting in costly repairs. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P273F on BMW
To diagnose DTC P273F on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Check the transmission fluid level and condition
- Inspect the Transmission Fluid Temperature Sensor ‘B’ and its wiring
- Perform a visual inspection for any signs of leaks or damage
How to fix DTC P273F on BMW
To fix DTC P273F on a BMW, you can try the following:
- Top up the transmission fluid to the correct level
- Replace the Transmission Fluid Temperature Sensor ‘B’ if faulty
- Repair any damaged wiring or connections
- Clear the fault code and test drive the vehicle to ensure the issue is resolved
How to erase DTC P273F on BMW
To erase DTC P273F on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. Once the code is cleared, you can reset the Check Engine Light and monitor the vehicle for any recurring issues.
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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