You could try with just the numbers, but I have no idea of what they mean and if they are international (as I have no idea of what all those "ItalFrenglish" words/abbreviations mean...)
From the various jobs listed in various images, following ones could be related to HVAC:
284B14352 CACULATEUR UNITE
A48J OS REPROGR CALCOLATORE TELEMATICA (possibly "reprogramming of TCU", but TCU is "Telecommunication Control Unit", not "Telematic Calculator"...)
8286 OS ATT DIAG CALCOLATOR I (???)
A4GC OR DIST-RIA CALCOLATORE TELEMATICA (???)
INTERVENTO G NON FUNZ. RICARICA PROGRAMMATA (= "Scheduled charging not working")
A47A OS REPROGR UNT CENTR GST VEIC EL (possibly "Reprogramming of central vehicle management unit", in french "Unitè Central Habitacle - UCH")
7553 OS REPROGR UCH