BMW DTC P2739 – Pressure Control Solenoid ‘F’ Control Circuit High
DTC P2739 meaning on BMW
The Diagnostic Trouble Code (DTC) P2739 for BMW refers to the Pressure Control Solenoid ‘F’ Control Circuit High. This code indicates that there is a high voltage condition detected in the control circuit of the pressure control solenoid ‘F’ in the transmission.
BMW DTC P2739 symptoms
Symptoms of DTC P2739 on a BMW may include harsh shifting, delayed shifting, transmission slipping, decreased fuel efficiency, and in some cases, the transmission may go into a failsafe mode to prevent further damage.
BMW DTC P2739 causes
The common causes of DTC P2739 on a BMW include a faulty pressure control solenoid ‘F’, damaged wiring or connectors in the control circuit, low transmission fluid level, or a malfunctioning transmission control module.
BMW DTC P2739 seriousness
Ignoring DTC P2739 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.
How to diagnose DTC P2739 on BMW
To diagnose DTC P2739 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the pressure control solenoid ‘F’, wiring, connectors, and transmission fluid level. Testing the solenoid and checking for any leaks or damage in the transmission system may also be necessary.
How to fix DTC P2739 on BMW
Fixing DTC P2739 on a BMW may involve replacing the pressure control solenoid ‘F’ if it is found to be faulty. Repairing or replacing any damaged wiring or connectors in the control circuit, ensuring the transmission fluid level is correct, and resetting the transmission control module may also be necessary to resolve the issue.
How to erase DTC P2739 on BMW
Once the underlying issue causing DTC P2739 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. It is important to ensure that the repair has been successful before clearing the 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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