BMW DTC P0785 – Shift Timing Solenoid ‘A’
DTC P0785 meaning on BMW
The Diagnostic Trouble Code (DTC) P0785 for BMW refers to an issue with the Shift Timing Solenoid ‘A’. This code indicates that there is a malfunction in the electrical circuit that controls the timing of the shifting solenoid ‘A’ within the transmission.
BMW DTC P0785 symptoms
Symptoms of DTC P0785 on a BMW may include harsh or delayed shifting, erratic shifting patterns, transmission slipping, and in some cases, the transmission may go into a limp mode where it operates in a single gear only.
BMW DTC P0785 causes
The common causes of DTC P0785 on a BMW include a faulty shift timing solenoid ‘A’, damaged wiring or connectors in the transmission circuit, low transmission fluid level, or a malfunctioning transmission control module.
BMW DTC P0785 seriousness
Ignoring DTC P0785 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 to the vehicle.
How to diagnose DTC P0785 on BMW
To diagnose DTC P0785 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the shift timing solenoid ‘A’, check the wiring and connectors for any damage, and test the transmission fluid level and condition.
How to fix DTC P0785 on BMW
The most common fix for DTC P0785 on a BMW is to replace the faulty shift timing solenoid ‘A’. Additionally, repairing any damaged wiring or connectors, ensuring the transmission fluid is at the correct level and in good condition, and resetting the transmission control module may also be necessary.
How to erase DTC P0785 on BMW
To erase DTC P0785 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s memory. Once the issue has been addressed and fixed, clearing the code will reset the system 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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.