BMW 328i p1434 and b2aaa codes

also Rolls-Royce
Cbosch110
Posts: 1
Joined: Wed Apr 19, 2017 7:14 pm
Vehicle: BMW 328i

BMW 328i p1434 and b2aaa codes

Postby Cbosch110 » Wed Apr 19, 2017 7:18 pm

My service engine soon light came on and I scanned it and I got a p1434 code. I didn't clear it and took the scanner out and when I plugged it back in a little while later I no longer had that code but I now have a b2aaa code. Does anyone know what either of these codes are?


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atip
Posts: 93
Joined: Fri Aug 31, 2012 2:42 pm
Location: Greater London

Re: BMW 328i p1434 and b2aaa codes

Postby atip » Fri Apr 21, 2017 2:46 pm

P1434 BMW - Diagnostic Module Tank Leakage System Fault

Possible causes:
Faulty Diagnostic Module Tank Leakage (DMTL)
DMTL harness is open or shorted
DMTL circuit poor electrical connection


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