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BMW 5-Series (G30) Forum 2017+ BMW 5 Series (G30) General Discussions 2017 530xi P04B3 Engine Fault Code - Any Experience with this?

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      09-03-2019, 08:38 AM   #1
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2017 530xi P04B3 Engine Fault Code - Any Experience with this?

Hi all,

While driving yesterday I got a check engine light ~45 minutes into a 90 minute drive. When I got home, I had an ODB scanner, so I plugged it in and scanned and got a P04B3 error code. The car was just in service for an oil change last Thursday, so I assume they did normal checks and this must have not been an issue then.

Anyway, looking up that error code on a BMW fault code website, I get this description "Diagnostic module for tank leaks (NVLD), solenoid valve: Jammed open"

Does anyone have any experience with this fault code? I can just reset it but if it's something important or meaningful I'll get it checked out. After spending 2 hours at a dealer for an oil change, I just don't want to go back there so soon. I know I can set up a loaner this time around, but if anyone has any experience or has seen this and can provide any insight, would like to hear it before going through the process w/ dealer.

Appreciate 0
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