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ECM-18B0 Swirl Actuator Control - Offset Fault

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Old Jun 15th, 2018, 20:23   #1
aland
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Last Online: Jan 17th, 2024 16:41
Join Date: Dec 2004
Location: Luton
Default ECM-18B0 Swirl Actuator Control - Offset Fault

I wonder if anyone can help with the above fault on my 2008 XC90 D5 (185).
The fault is logged after an engine shutdown. If I clear it and drive, it's OK until shutdown.
Looking at the live data, on shutdown, when the actuator goes to the end of it's travel, it reports 654% - which clearly isn't right. (Actuator seems to move normally otherwise).

If I manually move the arm a tiny bit it jumps back to a sensible reading (under 100%).
I've just replaced the swirl actuator with a used part, and it's exactly the same (might have been a few % different before, but certainly +600 something).

I'm assuming the replacement part is also faulty, but before I take that up with the supplier, can anyone offer any suggestions?

Previously the swirl flap assembly and arm etc were replaced, and they all work correctly.
Attached Images
File Type: png ECM-18B0.png (9.4 KB, 32 views)
File Type: png Swirl Percentage.png (34.7 KB, 30 views)
File Type: jpg Swirl-details.jpg (45.0 KB, 29 views)
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2004 V70R
2008 XC90 D5.
2011 C30 2.0

Past: V70 D5, 855 T5, 940, V40 T4, S40
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Old May 4th, 2022, 20:43   #2
ghowe79
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Last Online: Dec 31st, 2022 16:24
Join Date: Dec 2005
Location: York
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Did you ever resolve this problem?
I've got exactly the same thing happing on an XC60 with a D5244T4.
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