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      08-03-2011, 01:59 PM   #19
ENINTY
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Drives: 2006 325i Sport
Join Date: Jun 2006
Location: Virginia

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As far as the electric cooling pump communication code, it means the ECU can't talk to the pump controller. Either the pump electrical connector is unplugged, or the control electronics are damaged. New coolant pumps are shipped in an ESD (Electro-Static Discharge) bag. That means the electronics are susceptible to damage from static electricity. It's possible the indy shop damaged the pump electrically and the control electronics are intermittent.