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Steve
Steve, BMW Expert
Category: BMW
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Experience:  BMW Expert
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2004 bmw x5: Diagnostic Module Tank Leakage (DM..TL..gas cap

Resolved Question:

hello. 2004 bmw x5 trouble code p1449 Diagnostic Module Tank Leakage (DM-TL) Pump Too High. The gas cap is fine. Could be purge valve or the pump by itself? I need your help please
Submitted: 6 years ago.
Category: BMW
Expert:  Steve replied 6 years ago.

Hello and welcome to JustAnswer BMW,

My name is XXXXX XXXXX it will be my pleasure to assist you today.
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P1449 - Diagnostic Module Tank Leakage (DM-TL) Pump Too High

 

The vehicle monitors amperage draw from the pump.

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The fault is amperage related. You will have to check for any shorts in that circuit. If none are found there, then you likely have a bad DMTL pump which is not terribly uncommon.

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I hope that is helpful, please let me know if you have further questions, or if I can clarify anything for you.

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It has been my pleasure to help today and I wish you the best of luck with the vehicle.

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Many thanks.

 

Steve

Customer: replied 6 years ago.
so it looks like mostly electrical problem. And if DMTL pump is bad where it is located on x5?
Expert:  Steve replied 6 years ago.

In the rear left wheel house.

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Please let me know if you have questions.

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Many thanks.

 

Steve

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