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X5 F15 (2014 - Current)
The all new F15 BMW X5 started production August 2013 as a 2014 model year. The new X5 arrives in sDrive35i (RWD), xDrive35i, xDrive50i and a diesel xDrive 35d.

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  #1  
Old 08-21-2019, 09:07 AM
mudbug mudbug is offline
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auxiliary coolant pump line disconnection or short circuit to B+

Hi,

I ran first time on my F15 2015. I got this error code:

80436A auxiliary coolant pump line disconnection or short circuit to B+,


Could you please guide me the right direction to figure out what is wrong?

Thanks
Mudbug
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  #2  
Old 08-21-2019, 09:20 AM
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Doug Huffman Doug Huffman is offline
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Mein Auto: CPO2012 X5 35d M57(E70)
A Diagnostic Trouble Code error number does not identify a broken part to be replaced but identifies a symptom that may be caused by any number of failed components or adjustments to be differentiated amongst by execution of a BMW Test PlanŠ guide through the fault tree.

A Brush-Less Direct Current - BLDC - motor is plenty complicated by itself. It is commanded by Pulse Width Modulated PWM signal from the ECU.

I suggest taking it to the authorized BMW Service Center.
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Old 08-25-2019, 01:46 PM
mudbug mudbug is offline
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Thanks for info. Could you please guide me where this the pump location? I get this info from report. My caris
F15 xdrive 2.5D
The auxiliary coolant pump for the heating/air conditioning circuit must not be confused with the auxiliary coolan
t pump for the charger or cooler or the turbocharger coolant pump (see installation location)
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