BMW DTC P1750 – Secondary Pressure Solenoid Circuit Range/Performance (M44/M52/S52/M62/M73: System Voltage Low)
DTC P1750 meaning on BMW
The Diagnostic Trouble Code (DTC) P1750 for BMW refers to the Secondary Pressure Solenoid Circuit Range/Performance issue. Specifically, in models M44, M52, S52, M62, and M73, it indicates a problem with the system voltage being low in relation to the secondary pressure solenoid circuit.
BMW DTC P1750 symptoms
Symptoms of the DTC P1750 in a BMW may include harsh shifting, delayed shifting, transmission slipping, poor acceleration, and in some cases, the transmission may go into a failsafe mode to prevent further damage.
BMW DTC P1750 causes
The causes of the DTC P1750 in a BMW can vary, but common reasons include a faulty secondary pressure solenoid, damaged wiring or connectors in the solenoid circuit, low system voltage, or issues with the transmission control module.
BMW DTC P1750 seriousness
The seriousness of the DTC P1750 in a BMW should not be ignored, as it can lead to further transmission damage if left unresolved. It is recommended to address this issue promptly to prevent costly repairs down the line.
How to diagnose DTC P1750 on BMW
To diagnose the DTC P1750 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the transmission control module. They would then perform a visual inspection of the wiring and connectors related to the secondary pressure solenoid circuit to check for any visible damage. Testing the solenoid itself and checking the system voltage would also be part of the diagnostic process.
How to fix DTC P1750 on BMW
Fixing the DTC P1750 on a BMW may involve replacing the faulty secondary pressure solenoid, repairing or replacing damaged wiring or connectors, ensuring the system voltage is within the correct range, or addressing any issues with the transmission control module. It is recommended to follow the manufacturer’s diagnostic and repair procedures to properly fix the problem.
How to erase DTC P1750 on BMW
To erase the DTC P1750 on a BMW, the fault codes can be cleared using a diagnostic scanner. However, it is important to note that simply clearing the code without addressing the underlying issue may result in the code reappearing. After fixing the root cause of the problem, the fault codes can be cleared to reset the system.
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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