BMW DTC P187A – Transmission Fluid Temperature Sensor ‘A’ Temperature Too Low
DTC P187A meaning on BMW
The Diagnostic Trouble Code (DTC) P187A for BMW indicates that the Transmission Fluid Temperature Sensor ‘A’ 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 efficiency of the transmission system.
BMW DTC P187A symptoms
Symptoms of the DTC P187A on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Transmission shifting issues
- Reduced fuel efficiency
- Transmission overheating
BMW DTC P187A causes
Common causes of the DTC P187A on a BMW include:
- Malfunctioning Transmission Fluid Temperature Sensor ‘A’
- Wiring or connector issues related to the sensor
- Low transmission fluid level
- Internal transmission problems
BMW DTC P187A seriousness
Ignoring the DTC P187A on a BMW can lead to potential transmission damage and reduced performance. It is important to address this issue promptly to prevent further complications and costly repairs.
How to diagnose DTC P187A on BMW
To diagnose the DTC P187A 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 ‘A’ and its wiring for any visible damage
- Check the transmission fluid level and condition
- Perform a transmission system test to identify any internal issues
How to fix DTC P187A on BMW
To fix the DTC P187A on a BMW, the following steps may be taken:
- Replace the Transmission Fluid Temperature Sensor ‘A’ if it is found to be faulty
- Repair or replace any damaged wiring or connectors related to the sensor
- Ensure the transmission fluid level is at the correct level and in good condition
- Address any internal transmission problems identified during diagnosis
How to erase DTC P187A on BMW
After fixing the underlying issue causing the DTC P187A on a BMW, the fault code can be erased using a diagnostic scanner. This will reset the Check Engine Light and clear the code from the vehicle’s memory.
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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