BMW DTC P1745 – Pressure Control Solenoid ‘E’
DTC P1745 meaning on BMW
The Diagnostic Trouble Code (DTC) P1745 for BMW refers to an issue with the Pressure Control Solenoid ‘E’. This code indicates a problem with the transmission’s hydraulic pressure control system, specifically related to solenoid ‘E’.
BMW DTC P1745 symptoms
Symptoms of DTC P1745 on a BMW may include harsh shifting, delayed engagement when shifting gears, transmission slipping, or the transmission going into limp mode. The Check Engine Light may also illuminate on the dashboard.
BMW DTC P1745 causes
The common causes of DTC P1745 on a BMW include a faulty Pressure Control Solenoid ‘E’, low transmission fluid level, dirty or contaminated transmission fluid, electrical issues in the solenoid circuit, or a malfunctioning transmission control module.
BMW DTC P1745 seriousness
Ignoring DTC P1745 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 P1745 on BMW
To diagnose DTC P1745 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 transmission fluid level and condition, and test the Pressure Control Solenoid ‘E’ for proper operation.
How to fix DTC P1745 on BMW
Fixing DTC P1745 on a BMW may involve replacing the faulty Pressure Control Solenoid ‘E’, performing a transmission fluid flush and filter replacement, repairing any damaged wiring in the solenoid circuit, or reprogramming the transmission control module. It is recommended to follow the manufacturer’s repair procedures for the specific BMW model.
How to erase DTC P1745 on BMW
To erase DTC P1745 on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. After the repair has been completed and the issue causing the fault code has been resolved, the mechanic can reset the Check Engine Light and erase the DTC P1745 code.
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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