BMW DTC P0774 – Shift Solenoid ‘E’ Intermittent
DTC P0774 meaning on BMW
DTC P0774 on a BMW indicates an intermittent issue with Shift Solenoid ‘E’. This fault code is specific to the transmission system and points towards a problem with the operation of the solenoid responsible for controlling the shifting of gears.
BMW DTC P0774 symptoms
Symptoms of DTC P0774 on a BMW may include erratic shifting behavior, harsh shifting between gears, delayed engagement when shifting, or even the transmission getting stuck in a particular gear. In some cases, the vehicle may also experience a decrease in fuel efficiency.
BMW DTC P0774 causes
The intermittent nature of DTC P0774 on a BMW can be caused by various factors. Common causes include a faulty shift solenoid ‘E’, wiring issues or poor connections related to the solenoid, low transmission fluid levels, or a malfunctioning transmission control module.
BMW DTC P0774 seriousness
While DTC P0774 may not always result in immediate drivability issues, it is important to address this fault code promptly. Ignoring the problem can lead to further damage to the transmission system and potentially result in costly repairs down the line.
How to diagnose DTC P0774 on BMW
To diagnose DTC P0774 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault code and any related data. They may then perform a visual inspection of the shift solenoid ‘E’ and its wiring harness to check for any visible damage or loose connections. Testing the solenoid’s resistance and checking the transmission fluid level and condition are also common diagnostic steps.
How to fix DTC P0774 on BMW
Fixing DTC P0774 on a BMW often involves replacing the faulty shift solenoid ‘E’ and addressing any wiring issues or poor connections. Ensuring the transmission fluid is at the correct level and in good condition is also crucial. In some cases, reprogramming or replacing the transmission control module may be necessary to resolve the intermittent shift solenoid issue.
How to erase DTC P0774 on BMW
Once the underlying issue causing DTC P0774 on a BMW has been diagnosed and fixed, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and reset the transmission system’s adaptive learning. It is important to verify that the issue has been resolved before clearing the fault 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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