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How to Perform Self-Diagnosis of the Heater Flap Actuators on an Alfa Romeo Giulietta

Model: Alfa Romeo Giulietta MK 1 - Years: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
Part: A/C system

Video tutorial

In this video, you can see how to perform self-diagnosis of the flaps in the climate control system on an Alfa Romeo Giulietta. By setting both displays to 00.0, you will hear the heater flaps opening and closing.

After this self-diagnosis, the display on the right side shows the result according to this coding: 00.0 self-diagnosis in progress - 01.00 self-learning completed successfully - 02.0 self-learning completed with negative results. In case of a negative result, you can connect a MultiEcuScan or OBD11 reading device to check which heater valve actuator is faulty.


Updated on 19 October 2026 by ScegliAuto


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