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Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 3044
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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2011 535 with p1434 code, 1434 is the code, and I did reset

Customer Question

2011 535 with p1434 code
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: 1434 is the code, and I did reset it. took a couple of days to come back on. checked the gas cap it looked ok.
JA: What is the model of your '11 BMW?
Customer: 535ix
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes, just researching right now.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 9 months ago.
Category: BMW
Expert:  TIM MOHR replied 9 months ago.

Hi, my name is ***** ***** code is almost always caused by a bad DMTL, diagnostic module tank leakage, when they draw too many amps, it will set this code, have you checked the wiring between the DMTL and the DME?