BMW DTC P0746 – Pressure Control Solenoid ‘A’ Performance/Stuck Off
DTC P0746 meaning on BMW
The Diagnostic Trouble Code (DTC) P0746 for BMW refers to an issue with the Pressure Control Solenoid ‘A’ in the transmission system. This code indicates that the solenoid is not performing as expected or is stuck in the off position.
BMW DTC P0746 symptoms
Symptoms of DTC P0746 in a BMW may include harsh shifting, delayed engagement when shifting gears, transmission slipping, decreased fuel efficiency, and in some cases, the transmission may go into a limp mode.
BMW DTC P0746 causes
The common causes of DTC P0746 in a BMW include a faulty pressure control solenoid ‘A’, low transmission fluid level, dirty or contaminated transmission fluid, electrical issues in the solenoid circuit, or mechanical problems within the transmission.
BMW DTC P0746 seriousness
Ignoring DTC P0746 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 more severe transmission problems.
How to diagnose DTC P0746 on BMW
To diagnose DTC P0746 on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the transmission system. They may also conduct a test drive to observe the symptoms and further diagnose the issue.
- Use a diagnostic scanner to retrieve the fault code
- Perform a visual inspection of the transmission system
- Conduct a test drive to observe symptoms
How to fix DTC P0746 on BMW
Fixing DTC P0746 on a BMW may involve replacing the pressure control solenoid ‘A’, checking and topping up the transmission fluid, flushing the transmission system, repairing any electrical issues in the solenoid circuit, or addressing any mechanical problems within the transmission.
- Replace the pressure control solenoid ‘A’
- Check and top up the transmission fluid
- Flush the transmission system
- Repair any electrical issues in the solenoid circuit
- Address any mechanical problems within the transmission
How to erase DTC P0746 on BMW
Once the issue causing DTC P0746 on a BMW has been fixed, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the Check Engine Light.
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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