BMW DTC P0772 – Shift Solenoid ‘E’ Stuck On
DTC P0772 meaning on BMW
DTC P0772 indicates that the transmission shift solenoid ‘E’ is stuck on in a BMW vehicle. The shift solenoid ‘E’ is responsible for controlling the flow of transmission fluid to engage or disengage specific gears within the transmission. When this solenoid is stuck in the on position, it can lead to issues with shifting gears smoothly and efficiently.
BMW DTC P0772 symptoms
Symptoms of DTC P0772 in a BMW may include harsh or delayed shifting, erratic shifting patterns, transmission slipping, decreased fuel efficiency, and in some cases, the transmission may go into a fail-safe or limp mode to prevent further damage.
BMW DTC P0772 causes
The most common causes of DTC P0772 in a BMW include a faulty shift solenoid ‘E’, low transmission fluid levels, dirty or contaminated transmission fluid, electrical issues such as a short circuit or open circuit in the solenoid circuit, or mechanical issues within the transmission itself.
BMW DTC P0772 seriousness
DTC P0772 should be taken seriously as it can lead to further damage to the transmission if left unresolved. Continued driving with a stuck shift solenoid can cause excessive wear on transmission components and may result in a costly repair or replacement of the transmission.
How to diagnose DTC P0772 on BMW
To diagnose DTC P0772 on a BMW, a mechanic will typically use a scan tool to retrieve the trouble code and perform a visual inspection of the transmission and shift solenoid ‘E’. They may also conduct a test to check the resistance of the solenoid and inspect the wiring and connectors for any signs of damage.
How to fix DTC P0772 on BMW
Fixing DTC P0772 on a BMW usually involves replacing the faulty shift solenoid ‘E’. The transmission fluid should also be checked and replaced if necessary. Additionally, any electrical issues should be addressed, and the transmission system should be tested to ensure proper operation.
How to erase DTC P0772 on BMW
Once the underlying issue causing DTC P0772 has been fixed, the trouble code can be erased using a scan tool. This will reset the vehicle’s onboard computer and clear the code from the system. It is important to verify that the issue has been resolved before clearing the code to prevent it from reoccurring.