BMW DTC P185D – Pressure Control Solenoid Control – Implausible in Position P
DTC P185D meaning on BMW
The DTC P185D on a BMW refers to an issue with the Pressure Control Solenoid Control being implausible in Position P. This means that the vehicle’s control module has detected a discrepancy between the expected position of the pressure control solenoid and the actual position while the transmission is in Park (Position P).
BMW DTC P185D symptoms
Symptoms of the DTC P185D on a BMW may include:
- Difficulty shifting gears
- Harsh shifting or slipping transmission
- Transmission stuck in a particular gear
- Check Engine Light illuminated
BMW DTC P185D causes
Common causes of the DTC P185D on a BMW include:
- Faulty pressure control solenoid
- Wiring or connector issues in the transmission control circuit
- Low transmission fluid level or contaminated fluid
- Internal transmission mechanical problems
BMW DTC P185D seriousness
The DTC P185D can affect the drivability and performance of the vehicle. Ignoring this issue can lead to further damage to the transmission system and potentially result in costly repairs. It is recommended to address this problem promptly to prevent any long-term issues.
How to diagnose DTC P185D on BMW
To diagnose the DTC P185D on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and data from the vehicle’s transmission control module
- Inspect the pressure control solenoid and its wiring for any visible damage or corrosion
- Check the transmission fluid level and condition
- Perform a road test to observe the transmission’s behavior
How to fix DTC P185D on BMW
Depending on the underlying cause, fixing the DTC P185D on a BMW may involve:
- Replacing the pressure control solenoid if it is found to be faulty
- Repairing or replacing damaged wiring or connectors in the transmission control circuit
- Performing a transmission fluid flush and refill if the fluid is low or contaminated
- Addressing any internal transmission mechanical issues
How to erase DTC P185D on BMW
After the necessary repairs have been made, the DTC P185D code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and reset the Check Engine Light. It is important to ensure that the underlying issue has been resolved before clearing the 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
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