BMW DTC P0757 – Shift Solenoid ‘B’ Stuck On
DTC P0757 meaning on BMW
DTC P0757 indicates a malfunction in the Shift Solenoid ‘B’ circuit of the transmission. This code is specific to BMW vehicles and is triggered when the Engine Control Module (ECM) detects that the Shift Solenoid ‘B’ is stuck in the on position.
BMW DTC P0757 symptoms
Symptoms of DTC P0757 in a BMW may include harsh shifting, delayed or erratic shifting, transmission slipping, and in some cases, the transmission may fail to shift at all. The Check Engine Light may also illuminate on the dashboard.
BMW DTC P0757 causes
The most common causes of DTC P0757 in a BMW include a faulty Shift Solenoid ‘B’, a wiring issue in the solenoid circuit, low transmission fluid level, dirty or contaminated transmission fluid, or a malfunctioning Transmission Control Module (TCM).
BMW DTC P0757 seriousness
Ignoring DTC P0757 in 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 P0757 on BMW
To diagnose DTC P0757 on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They will then inspect the Shift Solenoid ‘B’ and its wiring for any visible damage or corrosion. Additionally, a transmission fluid level and condition check may be performed to rule out any fluid-related issues.
How to fix DTC P0757 on BMW
Fixing DTC P0757 on a BMW may involve replacing the faulty Shift Solenoid ‘B’, repairing any damaged wiring in the solenoid circuit, ensuring the transmission fluid level is correct and clean, and resetting the ECM to clear the fault code.
How to erase DTC P0757 on BMW
To erase DTC P0757 on a BMW, the fault code can be cleared using a diagnostic scanner. Once the underlying issue has been addressed and fixed, the ECM can be reset to remove the fault code from 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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