BMW DTC P187D – Transmission Fluid Temperature Sensor ‘B’ Higher Temperature Out Of Range
DTC P187D meaning on BMW
The DTC P187D on a BMW indicates that the Transmission Fluid Temperature Sensor ‘B’ is reporting a higher temperature that is out of the expected range. This sensor is responsible for monitoring the temperature of the transmission fluid to ensure it stays within optimal operating conditions.
BMW DTC P187D symptoms
Symptoms of the DTC P187D on a BMW may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Reduced fuel efficiency
- Transmission overheating
BMW DTC P187D causes
Common causes of the DTC P187D on a BMW include:
- Faulty Transmission Fluid Temperature Sensor ‘B’
- Wiring or connector issues in the sensor circuit
- Low transmission fluid level
- Transmission fluid contamination
BMW DTC P187D seriousness
Ignoring the DTC P187D 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 P187D on BMW
To diagnose the DTC P187D on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the Transmission Fluid Temperature Sensor ‘B’ and its wiring
- Check the transmission fluid level and condition
- Perform a visual inspection for any signs of leaks or damage
How to fix DTC P187D on BMW
To fix the DTC P187D on a BMW, the following steps may be taken:
- Replace the faulty Transmission Fluid Temperature Sensor ‘B’
- Repair any wiring or connector issues in the sensor circuit
- Ensure the transmission fluid level is at the correct level
- Flush and refill the transmission fluid if contamination is present
How to erase DTC P187D on BMW
To erase the DTC P187D on a BMW, the fault code can be cleared using a diagnostic scanner. Once the underlying issue has been addressed and fixed, the code can be cleared to 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
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.