BMW DTC P099F – Shift Solenoid ‘H’ Control Circuit High
DTC P099F meaning on BMW
DTC P099F indicates a fault with the Shift Solenoid ‘H’ Control Circuit in a BMW vehicle. This fault code is specific to the transmission system and points towards an issue with the electrical circuit that controls the Shift Solenoid ‘H’.
BMW DTC P099F symptoms
Symptoms of DTC P099F in a BMW may include harsh shifting, delayed shifting, transmission slipping, or the transmission going into limp mode. The vehicle may also display a Check Engine Light on the dashboard.
BMW DTC P099F causes
The common causes of DTC P099F in a BMW include a faulty Shift Solenoid ‘H’, damaged wiring or connectors in the control circuit, low transmission fluid level, or internal transmission issues.
BMW DTC P099F seriousness
Ignoring DTC P099F in a BMW can lead to further transmission damage and potential drivability issues. It is important to address this fault code promptly to prevent more severe problems and ensure the vehicle operates correctly.
How to diagnose DTC P099F on BMW
To diagnose DTC P099F on a BMW, a mechanic would typically perform a thorough inspection of the transmission system. This may involve using a scan tool to retrieve the fault code, checking the wiring and connectors related to the Shift Solenoid ‘H’, testing the solenoid itself, and inspecting the transmission fluid level and condition.
How to fix DTC P099F on BMW
Fixing DTC P099F on a BMW usually involves replacing the faulty Shift Solenoid ‘H’ if that is the root cause. Additionally, repairing any damaged wiring or connectors in the control circuit, ensuring the transmission fluid is at the correct level and in good condition, and addressing any other underlying transmission issues may be necessary.
How to erase DTC P099F on BMW
Once the underlying issue causing DTC P099F on a BMW has been resolved, the fault code can be cleared using a scan tool. This will erase the code from the vehicle’s memory and turn off the Check Engine Light. It is important to verify that the repair was successful by driving the vehicle and rescanning for any remaining fault codes.