The BMW E90 has a 578E EGS Gearbox Oil Wear DTC after transmission oil replacement. This is a tutorial on how to use Launch X431 PAD VII to fix the problem. The same procedure applies to X431 PAD V as well.
Operation Procedure
Connect X431 PAD 7 to car OBD,
Intelligent Diagnose >> BMW >> OK >> Automatically Search >> Next
To ensure the accuracy of the test results, do the following:
- Turn off the ignition switch
- Wait 10s
- Turn on the ignition switch
There’s a DTC in TCM(Transmission Control Module – EGS/DKG/SMG)
578E EGS: Gearbox Oil: Wear
Enter into the trouble code >> Continue >> Actuation Test >> General >> Reset Service Life, Gear Box Oil >> Active
Service life of transmission oil has been set to 100%.
Go back to clear fault code, then read fault code again.
As we can see, there’s no DTC now.
The DTC has gone, problem was solved!
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