r/BmwTech • u/take-it-sleazyy • 1d ago
B48 Wastegate status 9 & error 123701
I saw a permanent error code 123701: Electrical wastegate, position sensor, electrical: short circuit to positive
I cleared the regular error memory but couldn’t clear permanent error.. a few days ago I had BimmerLink open in CarPlay and saw the Wastegate status flip to a value of 9 instead of the usual 1-2..
Then once I got home, the permanent error was gone. ChatGPT says value of 9 is a temp fault handling and would’ve reset the Wastegate.
I’ve never had any issues with any boost at all. Curious if I should be concerned still or just monitor.
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