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post #16 of (permalink) Old 09-26-2016 Thread Starter
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Originally Posted by hatzie View Post
The OBD Link LX doesn't support CAN. If you have a GM made after 2007 or 2008 it will not work for you.

I own the OBD Link MX Bluetooth version. I don't believe the OBD Link MX WiFi version works with Android.

It's worth noting that the ECM in my SS freaks out and stops commanding the alternator to charge if I leave the module plugged into the J1962 OBD port through an ignition cycle.

If I plug it in after I start the car... the OBD Link MX is one of the most reliable fast interfaces I've tried for Torque Pro. It will let Torque Pro read the Transmission temp in my 2009 SS.

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post #17 of (permalink) Old 09-28-2016 Thread Starter
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Hatzie & Jtrosky, do you know if your setups with the adapters you each have & Torque Pro show the abs speeds & injector stats?


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post #18 of (permalink) Old 09-28-2016
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Good question - I'm pretty sure that Torque Pro will NOT read ABS codes (or BCM codes or airbag codes).

However, I've been reading that another Android OBD-II application (Car Gauge Pro) *does* read ABS codes (but still not BCM or airbag codes).

I have a hard time believing this, but I've read it multiple places now. It's $8.95. There is a free "Lite" version, so maybe give it a shot. I'll probably check it out later myself. Apparently, the Torque Pro interface is much better but people say that Car Gauge Pro can read some extended codes (such as ABS) whereas Torque Pro cannot.

It's also possible that Car Gauge Pro can read ABS codes on certain vehicles but not others. OBD-II is a standard that all manufacturers use, but my understanding is that there is no "standard" for ABS, airbags and BCM (Body Control Module) codes - every auto manufacturer uses different codes and/or protocols for those. And they all try to keep them "guarded" so that they can sell access to them - which is why you normally need a much more expensive scan tool to read them - because those companies have to pay the car manufacturers large amounts of money for access to those codes.

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post #19 of (permalink) Old 09-28-2016 Thread Starter
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Originally Posted by jtrosky View Post
Good question - I'm pretty sure that Torque Pro will NOT read ABS codes (or BCM codes or airbag codes).

However, I've been reading that another Android OBD-II application (Car Gauge Pro) *does* read ABS codes (but still not BCM or airbag codes).
Good find. Also just read some say it reads a lot of codes.


Still think I need a better adapter either yours or the other guys.


The Research Continues!!
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post #20 of (permalink) Old 09-28-2016
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Yeah, you definitely need another adapter. The Car Gauge Pro app specifically states that it's not compatible with ELM327 v2.1 adapters!

I still have a feeling that this app can only read ABS codes from other, non-GM vehicles - but I hope I'm wrong. Because typically, ABS-capable scanners are rather expensive (like $200+ for the cheap ones). Would be great if we could read them with a $20 OBD-II adapter!

Even my $500 HPTuners tuner/scanner cannot read ABS codes....

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post #21 of (permalink) Old 09-28-2016
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Fwiw, ELM327+FORSCAN can read ABS/BCM/airbag codes and even program new keys on Fords.... All for ~$20.

Last edited by sheila; 09-28-2016 at 06:29 PM.
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post #22 of (permalink) Old 09-28-2016
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AutoEnginuity with GM specific extensions claims to be able to do these. I know it will do many bi-directional tests similar to the Tech 2 like CASE learn and forced TPMS setting. The goal of this outfit is to replace various factory scan tools. Are they the best package of this type? Unlikely. Documentation is more than a little thin.

Not sure why HP Tuners cannot handle this given the fairly high price. Possibly anything other than working on the ECMs, TCMs, & PCMs is not in their business plan.

Both of the above are more cash than my Tech 2 Clone even after replacing the dead DC-DC converter and UART chip.

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post #23 of (permalink) Old 09-28-2016
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Yeah, HPTuners "claim to fame" is it's ability to *modify* the ECM/TCM tuning parameters (not just write a tune file, but actually modify it as well) - something that the most expensive scanner in the world can't do.. But their scanner is also fantastic - for what it's designed for - ECM/TCM scanning. The scanner application does handle many bi-directional tasks such as TCM Fast Learn, Adaptive resets, case relearn, Trans Clean and tons of other cool stuff - but really, the scanner is just meant to support it's main function, which is ECM/TCM tuning.

HPTuners and Tech 2 are really 2 completely different tools for completely different purposes (with some small overlap in functions).

HPTuners is actually very inexpensive for what it does - it's main competitor, EFI Live is considerably more expensive.

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post #24 of (permalink) Old 09-29-2016
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Well stated. All in what you need. These packages and tools serve multiple different purposes.

The relatively inexpensive PC based factory scan tool replacements like AutoEnginuity $250 with the GM extended package $230 come in more affordable than the Snap On Verus $6,000 or other similar tools. Or even more expensive subscription to GM $1,400 per year along with the Global interface $5,000.

HP Tuners, EFI Live, etc are intended to move well beyond the factory diagnostic tools to modify the programming of the Powertrain modules.

Comprehensive hacking of the BCM ABS Onstar and other controllers on par with the Ross Tech VCDS for VAG Gruppe vehicles is still beyond anything available outside of GM.

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post #25 of (permalink) Old 09-29-2016
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I actually do want to get a Tech 2 clone at some point. It would be nice being able to enable/disable some of the BCM options, etc. Does the Tech 2 clone work OK? Any major issues with it or things that it can't do (that a real Tech 2 can)?

I still don't fully understand exactly what is needed (MDI, Candii, etc, etc) - so many acronyms that I need to understand!!

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post #26 of (permalink) Old 09-29-2016 Thread Starter
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Quote:
Originally Posted by hatzie View Post
The OBD Link LX doesn't support CAN. If you have a GM made after 2007 or 2008 it will not work for you.

I own the OBD Link MX Bluetooth version. I don't believe the OBD Link MX WiFi version works with Android.

It's worth noting that the ECM in my SS freaks out and stops commanding the alternator to charge if I leave the module plugged into the J1962 OBD port through an ignition cycle.

If I plug it in after I start the car... the OBD Link MX is one of the most reliable fast interfaces I've tried for Torque Pro. It will let Torque Pro read the Transmission temp in my 2009 SS.
Quote:
Originally Posted by hatzie View Post
AutoEnginuity with GM specific extensions claims to be able to do these. I know it will do many bi-directional tests similar to the Tech 2 like CASE learn and forced TPMS setting. The goal of this outfit is to replace various factory scan tools. Are they the best package of this type? Unlikely. Documentation is more than a little thin.

Not sure why HP Tuners cannot handle this given the fairly high price. Possibly anything other than working on the ECMs, TCMs, & PCMs is not in their business plan.

Both of the above are more cash than my Tech 2 Clone even after replacing the dead DC-DC converter and UART chip.
So I think how it looks so far if I get a different ELM327 v1.5 I may be able to read the trans fluid temp but not ABS, Injectors etc. Maybe Car Gauge Pro Jtrosky mentions will see additional info using a better adapter.


Sure like to hear what Jtrosky finds out about Car Gauge Pro. The more I've been reading about it, many say it will see the extended info ie. ABS etc.

If I want to go the ABS & Injectors route I need something better/more expensive like the ODBLink MX $80 bluetooth adapter with their ScanXL Pro software $130 & their GM Enhanced Diagnostics software addon $90 totaling $300.


Doesn't seem to be an inexpensive option to see Trans Oil Temp as well as ABS and other GM specific info.


Maybe I'm best off getting something like the ODBLink MX, using it with Torque Pro to see what I'm looking for now the Trans Fluid Temp but if I need ABS and other things Torque Pro can't see, get ScanTool's software that can see it.


P.S. Why do I keep getting double spacing when I post?

Last edited by chevy67; 09-29-2016 at 04:12 PM.
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post #27 of (permalink) Old 09-29-2016
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Originally Posted by jtrosky View Post
I actually do want to get a Tech 2 clone at some point. It would be nice being able to enable/disable some of the BCM options, etc. Does the Tech 2 clone work OK? Any major issues with it or things that it can't do (that a real Tech 2 can)?

I still don't fully understand exactly what is needed (MDI, Candii, etc, etc) - so many acronyms that I need to understand!!

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MDI is the generation of diag interface that superseded the Tech 2 for OBD II, CAN, & newer global platforms. It stands for Multiple Diagnostic Interface. You need a valid GM software subscription and a compliant laptop to use it. The latest version of the MDI has WiFi communication. The rumor mill says GM is coming out with another Diag interface.

CAN-DI is the GM CAN bus communications protocol adapter. It allows the Tech 2 to communicate with the proprietary controllers on GM CAN bus vehicles like my 2009 SS. It extends the application of the 1995 technology Tech 2 to include some GM CAN vehicles up to 2013. Most of the Gen 8 Impalas are GM CAN vehicles so you won't get too far without it. The clones come with a clone CAN-DI. Most of the available units on evilbay are clones. If you can find a real GM CAN-DI you can likely fix it with a new set of cables. The clone outfits sell repair parts as well. I would guess the good clones are coming from the factory that Bosch was using to manufacture them when they were discontinued.

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"Speed never killed anyone. Suddenly becoming stationary... that's what gets you." Jeremy Clarkson

Last edited by hatzie; 09-29-2016 at 06:51 PM.
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post #28 of (permalink) Old 10-01-2016
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It's worth noting that a low dropout 6-20v input 12v output Buck Boost DC-DC converter in a lighter cord will fix the low voltage dropout on startup.
If you use an external low dropout Buck Boost Converter you can use an American made Datel-Murata UWR-5/3000-D12A-C brick with the 9V dropout and the on-off feature rather than the Asian made Mornsun with the 7v dropout and no on-off.

This advertises 8v dropout. My tests see 6.5-7v dropout.



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"Speed never killed anyone. Suddenly becoming stationary... that's what gets you." Jeremy Clarkson
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