[panlat]

Hi All, in my 430d GC I have the issue of the AC evaporator freezing over, as detailed in TSB SI-B64-06-13

I have a ISTA and ESYS setup, and have used ISTA for diagnostics and ESYS for coding. Have not used ISTA-P yet.

Can i perform the action of “Activate conversion to raise the minimum evaporator temperature” myself, using ISTA-P or ESYS? How would I do that? can it be done without updating the entire car, since I don't have a power supply to do long coding actions?

Edit: excuse the title of the topic, should say "temperature"

[TheNine90]

Its possible to use ISTA or esys. For ISTA you would likely have to update the car. For esys just add TEMP to ho-wort and vo code

[panlat]

OK thanks for the reply!

first time I used a HO-Wort.

I have added the HO-wort "TEMP" to the FA list, written FA to car and then coded IHKA3. anything else? can I somehow check if the coding was done right? My next long drive is thursday, then I will find if it fixed the issue.

[TheNine90]

check coding file
IHKA_VA01 > Funktionskodierung_HO 3002 > ANHEBUNG_TEMP_VD_MIN = TEMP 2

[galahadbry]

Originally Posted by TheNine90

check coding file
IHKA_VA01 > Funktionskodierung_HO 3002 > ANHEBUNG_TEMP_VD_MIN = TEMP 2

hi there, i just got this issue my evap is freezing after 5-10mins drive. i saw this post and i tried to code my car as written above (mine was offset_plus_2k) it works fine until 8 days later. my evap is freezing again.

so i tried to code it differently, i set the ANHEBUNG_TEMP_VD_MIN to offset_plus_3k. bcs i think it would prevent the freezing. is it okay?

also i set TEMPERATURE_OFFSET to Offset_plus_3k

i wonder if it would messed up the car 🙄

thanks!