Electric Aux Heater Fault

Wtk17 · 08-16-2023, 02:05 AM

Hello, I am getting error 43f1 and 43f2

Respectively both Electric Aux Heater errors
43f1 Short circuit to B-
43f2 Activation interrupted

I cannot find any information on what this Electric Aux heater is, where it is located, how to test it or how to repair it.

Does anyone know anything about this?

ptpending · 08-17-2023, 02:28 AM

it is inside of the heater , under dashboard
but wiring from it is accesible if you remove driver side footwell cover, above
there is thick red wire coming to it
and also thick brown wire which is attached to car body on the tunnel
and few this wires which provide control of the heater

08-16-2023, 02:05 AM	#1
Wtk17 New Member 3 Rep 14 Posts Drives: E91 Join Date: Jul 2023 Location: France iTrader: (0)	Electric Aux Heater Fault Hello, I am getting error 43f1 and 43f2 Respectively both Electric Aux Heater errors 43f1 Short circuit to B- 43f2 Activation interrupted I cannot find any information on what this Electric Aux heater is, where it is located, how to test it or how to repair it. Does anyone know anything about this?
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08-17-2023, 02:28 AM	#2
ptpending Colonel 466 Rep 2,776 Posts Drives: e91 Join Date: Dec 2013 Location: Poland iTrader: (1)	it is inside of the heater , under dashboard but wiring from it is accesible if you remove driver side footwell cover, above there is thick red wire coming to it and also thick brown wire which is attached to car body on the tunnel and few this wires which provide control of the heater __________________ E81 2007 130i 6cylinder Montego blue Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes.
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