BMW DTC P187C – Transmission Fluid Temperature Sensor ‘B’ Temperature Too Low
DTC P187C meaning on BMW
DTC P187C on a BMW indicates that the Transmission Fluid Temperature Sensor ‘B’ is reporting a temperature that is too low. This sensor is responsible for monitoring the temperature of the transmission fluid to ensure optimal performance and protection of the transmission components.
BMW DTC P187C symptoms
Symptoms of DTC P187C on a BMW may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Reduced fuel efficiency
- Transmission overheating
BMW DTC P187C causes
Common causes of DTC P187C on a BMW include:
- Defective Transmission Fluid Temperature Sensor ‘B’
- Wiring or connector issues in the sensor circuit
- Low transmission fluid level
- Transmission fluid contamination
BMW DTC P187C seriousness
Ignoring DTC P187C on a BMW can lead to potential transmission damage and reduced performance. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P187C on BMW
To diagnose DTC P187C on a BMW, a mechanic can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the Transmission Fluid Temperature Sensor ‘B’ and its wiring for any visible damage
- Check the transmission fluid level and condition
- Perform a test drive to monitor transmission performance
How to fix DTC P187C on BMW
To fix DTC P187C on a BMW, the following steps can be taken:
- Replace the Transmission Fluid Temperature Sensor ‘B’ if faulty
- Repair any damaged wiring or connectors in the sensor circuit
- Ensure the transmission fluid level is correct and free of contamination
- Clear the fault code and test drive the vehicle to confirm the issue is resolved
How to erase DTC P187C on BMW
To erase DTC P187C on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and allow for monitoring of the system 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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