BMW DTC P1755 – Pressure Control Solenoid ‘D’
DTC P1755 meaning on BMW
The Diagnostic Trouble Code (DTC) P1755 for BMW refers to an issue with the Pressure Control Solenoid ‘D’. This code indicates a problem with the transmission’s hydraulic pressure control system, specifically related to solenoid ‘D’.
BMW DTC P1755 symptoms
Symptoms of DTC P1755 on a BMW may include harsh shifting, delayed engagement when shifting gears, erratic shifting behavior, transmission slipping, or the transmission going into limp mode. The Check Engine Light may also illuminate on the dashboard.
BMW DTC P1755 causes
The common causes of DTC P1755 on a BMW include a faulty Pressure Control Solenoid ‘D’, wiring issues, low transmission fluid level, dirty or contaminated transmission fluid, or internal transmission problems.
BMW DTC P1755 seriousness
Ignoring DTC P1755 on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is important to address this issue promptly to prevent any long-term damage to the vehicle.
How to diagnose DTC P1755 on BMW
To diagnose DTC P1755 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the vehicle’s onboard computer. They would then perform a visual inspection of the transmission system, check the wiring and connectors related to the Pressure Control Solenoid ‘D’, and conduct a pressure test to determine if the solenoid is functioning correctly.
How to fix DTC P1755 on BMW
Fixing DTC P1755 on a BMW may involve replacing the Pressure Control Solenoid ‘D’ if it is found to be faulty. Additionally, checking and correcting any wiring issues, ensuring the transmission fluid level is adequate and clean, and addressing any internal transmission problems may be necessary to resolve the issue.
How to erase DTC P1755 on BMW
Once the underlying issue causing DTC P1755 on a BMW has been fixed, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and erase the DTC from the vehicle’s memory. It is important to ensure that the repair has been successful before clearing the fault codes.
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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