Member Since: 01 Oct 2020
Location: Suceava
Posts: 14
Problems with heating on the left side
Hi,
I have problems with heating system on the left side, I mean driver side. So, it give to me cold air on all vents, feet, window, face. Sometimes it gave to me little warmth air but colder than right side. I checked two heater actuators from driver side and it's working good. After I deleted the errors, them are still there after some kilometers.
B1a73-18 Left Seat Heater
B1B74 Front foot-defrost mode stepper actuator
B1B75 Front foot-face mode stepper actuator
B1B76 Front left air blend stepper actuator
20th Oct 2020 10:41 am
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10336
did you fix it?
please be warned that if the battery is low, and you start the engine you will get those fault codes.
trying clearing codes. Turn ignition on without starting.
Press through the deflectiion buttons on the climate and then read codes.
Maybe you will just get one code or no codes ?
It could be the water matrix is blocked. We have heard this before
20th Oct 2020 11:01 am
ivniulian
Member Since: 01 Oct 2020
Location: Suceava
Posts: 14
Didn't solve ... I just checked to see if it worked and worked. Errors codes remain after deletion. I did not check by how long they appear or under what condition. I'll check when I go to the tester again.
I heard about this matrix ... but it requires the all board remove . asked here maybe there are other possibilities to avoid water matrix
20th Oct 2020 11:06 am
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10336
Member Since: 01 Oct 2020
Location: Suceava
Posts: 14
Well, I'll try to see how remove and clean it. Thanks!
20th Oct 2020 11:52 am
ivniulian
Member Since: 01 Oct 2020
Location: Suceava
Posts: 14
I solved the problem was the water matrix. It didn't work with clean. I replaced the product.
Pay close attention to the manufacturer. I took NRF matrix and it was not good, the pipes were very weak. I bought one from Nissens which was good. Now I have heat in the whole car
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