capsfan69 Posted March 4, 2010 Report Share Posted March 4, 2010 I recently had my 06 XC90 2.5T w/64K miles on it at the dealer due to a check engine light and was informed that the codes were ECM-439C (Fuel tank system, leakage. Major leak) and ECM-4360 (Leak diagnostic unit. Faulty signal) They said that I need to replace my "Leak Detection Pump." I asked about any software updates because I have read that this was a problem and was fixed this software. He said that there are no updates for my car available....that all have been applied. My question is where is this "pump" located and is it a DIY job? They want to charge me $400 to replace it. Link to comment Share on other sites More sharing options...
Ihatespeedbumps Posted March 5, 2010 Report Share Posted March 5, 2010 I recently had my 06 XC90 2.5T w/64K miles on it at the dealer due to a check engine light and was informed that the codes were ECM-439C (Fuel tank system, leakage. Major leak) and ECM-4360 (Leak diagnostic unit. Faulty signal) They said that I need to replace my "Leak Detection Pump." I asked about any software updates because I have read that this was a problem and was fixed this software. He said that there are no updates for my car available....that all have been applied. My question is where is this "pump" located and is it a DIY job? They want to charge me $400 to replace it. From the codes you have posted, it appears that replacing the leakage diagnostic unit would be the best plan of attack. Good news for you, this should be covered under Volvos 8 year or 80k emissions warranty. Give your dealer a call about that ;) Link to comment Share on other sites More sharing options...
capsfan69 Posted March 5, 2010 Author Report Share Posted March 5, 2010 Checked with the dealer...only the Engine Control Module Hardware, Central Electronic Module, and the Catalytic Converter are covered under that warranty. Seeing that I need to replace it myself, how hard is this to do and where is it located? Thanks. Link to comment Share on other sites More sharing options...
2008xc70 Posted April 28, 2012 Report Share Posted April 28, 2012 Did you ever get the pump replaced? Link to comment Share on other sites More sharing options...
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