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P1434 Diagnostic Trouble Code Discussion for October 2016

Voltage Converter Module High Voltage


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Trouble Ticket Help Requests for DTC P1434
Help Request Posted
2007 BMW 335xi 3.0L MIL Lamp on VIN: WBAVD53537
P1434: Diagnostic module tank leakage system fault. Hello and thanks in advance for any help. This bmw came in with mil on, no noticable sypmtoms. Im havng no luck finding repair information. Any tips on these codes would be appreciated. For the lean code, crankcase vacuum is normal, so not likely pcv problem.
October 13, 2016