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Discussion Starter · #4 ·
Just saw this on AlfaOBD's website "
Note: Alfa Romeo Giulia/Stelvio, Fiat 500X/Toro and Jeep Renegade/Compass (MP) require the "grey" adapter (see below) for the access to the second high-speed CAN bus.
The LX and SX interfaces require "blue" adapter for the access to the middle-speed CAN bus.
The OBDLink LX or SX devices are recommended for other Fiat/Alfa Romeo/Lancia CAN-based cars with the low-speed CAN bus on pins 1 & 9 of the OBD plug. The "yellow" adapter is required for the access to the low-speed CAN bus"
 

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I use MultiECUScan 4.7 and it is the best one for the Giulia. I can even access a number of modules on the Quadrifoglio. You can use either a good set of coloured cable adaptors or use Multiplex (which I do).
 

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it depends on what you want to do. you can always install both and test for yourself in trial mode.

MES - supports more modules, user interface is much nicer and more intuitive.
AlfaOBD - list of supported modules is still small for Giulia/Stelvio, interface not as good, more complicated however supports broader range of cars not only Alfa/Fiat but also Chrysler/Dodge/RAM.

for regular user requirements like read/clear errors, do some adaptations/service resets, check live parameters I'd recommend MES.
for garage workshop good to have both.

both of them require color cables to connect to cars unless you'll buy multiplexer adapter which does all that cable switching by itself but is much more expensive and I don't find it worth money spent for regular user.
 

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I actually just downloaded the free demo. Looks like the Giulia is actually supported despite what their website lists.

I'll give it a try since it's pretty convenient over Bluetooth/phone
 

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Just tried AlfoOBD (trial version) with my obdlink Bluetooth adapter and it gives you a ton of info... maybe more than I have seen is MES. Very easy to use as well.

It's so much more convenient than lugging out a laptop as well. I like it.
 

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2019 Giulia Ti Q2, Performance Pack
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I use both.

Alfaobd i use as a great code reader. Its more convenient to use and reads alfa specific codes so its great at that.

For datalogging, adaptations and coding use mes. It has more access and much better sampling.
 

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OBDlink... You need to use their hardware though
Thanks man. Is that quad though? Apparently all the tools pick it up on quads including MES but not the damn 2 liter
 

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Nope, my two point slow
Quick question. Have you tested that value? I notice at what appears to be idle it shows wastegate values at 100 percent. Are they reversed or do they not work correctly?
 

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Quick question. Have you tested that value? I notice at what appears to be idle it shows wastegate values at 100 percent. Are they reversed or do they not work correctly?
Car was off...

It's been a long time since I've looked at it, I remember it moving around (and passing my sanity check) but can't remember if its % open or % closed
 
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