reprogramming a 2017 Chevy malibu

Daniel Owner/Technician Tonawanda, New York Posted   Latest  
Question
Programming
2017 Chevrolet Malibu LT 1.5L (T LFV) 6-spd (6T40)—1G1ZE5ST8HF101754
P2097 - Post Catalyst Fuel Trim System Too Rich Bank 1

Trying to do an update on a pcm for codes P2097 post catalyst fuel trim system high, code comes and goes and there are 3 tsb's on it when I get to the part to download software the stabilitrac light starts flashing and then it shows an error E6961 unknown error during service program. after 3 tries the next error is E4491 reprogramming error, and E4423. called help desk and they had me switch to internet explorer, did that, reloaded the wrapper. definitely sped up the process as opposed to Microsoft Edge, but still getting the same error codes. anyone run into this? the stabilitrac flashing I don't remember on other vehicles. it wont let me back out of tis either, goes into a constant loop of trying to reprogram.

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Ira Diagnostician
Manasquan, New Jersey
Ira Default
 

What tool are you usding to flash with? Had a similar issue on a 2011 Silverado recently. I had to use my MDI instaed of my J tool

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Daniel Owner/Technician
Tonawanda, New York
Daniel Default
 

snap on passthru pro

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Alvaro Service Manager
Oranjestad, Aruba
Alvaro Default
 

I use Mongoose GM Pro. So far any problem yet.

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Joe Diagnostician
Broadview, Illinois
Joe Default
 

How many miles are on it?

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Daniel Owner/Technician
Tonawanda, New York
Daniel Default
 

103,488

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Caleb Technician
Mishawaka, Indiana
Caleb Default
 

Which Snap On Pro 2 3 4 ???

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Caleb Technician
Mishawaka, Indiana
Caleb Default
 

I use my Cardaq Plus 3 on brand new 2019 GMs weekly ,never any issues. It's the same box as the Snap On Passthru pro 4 as far as I know.

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Daniel Owner/Technician
Tonawanda, New York
Daniel Default
 

Passthru 2

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Caleb Technician
Mishawaka, Indiana
Caleb Default
 

There's a good chance that's your problem. Don't quote me on that but I would bet a newer version J box or MDI2 would be fine. What's your operating system,processor, etc??

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Benjamin Diagnostician
Murfreesboro, Tennessee
Benjamin Default
 

I agree. The Snap On pro 2 is quite outdated. You need to be at least using an equivalent of a Snap On pro 3 (J2534-2) On a vehicle this new.

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Cody Diagnostician
Tucson, Arizona
Cody Default
 

I'm with everyone else and the passthrew is the issue. These newer vehicles have faster networks and would recommend drew tech 3 or MDI.

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Daniel Owner/Technician
Tonawanda, New York
Daniel Default
 

Thanks for the info everyone. I was able to get it to run through on a loaner. gonna buy a new one tomorrow

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Caleb Technician
Mishawaka, Indiana
Caleb Default
 

Sweet good deal

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Caleb Technician
Mishawaka, Indiana
Caleb Default
 

Cody, not trying to pick a fight. Just asking a question too learn. Is the High Speed CAN on pins 6 an 14 on a 2017 Malibu really actually faster than say the High Speed CAN on pins 6 an 14 on an 08 Tahoe?? If you look at the Description and Operation on GM SI for both High Speed CAN networks on these vehicles, it will tell you they are both 500kbps. So what's the actual difference?? More data…

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Anthony Technical Support Specialist
Kirkwood, Pennsylvania
Anthony Default
 

Hi Caleb: Since you said "for discussion purposes". I guess "technically" there is a speed difference. Well, there is when the signal doesn't go through. Think this $40 component may have anything to do with it? diag​.​net/msg/m5on82rckc… Marty can be thanked for that. Guido

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Geoff Diagnostician
Lahaina, Hawaii
Geoff Default
 

I was speed reading and just saw "Tech 3" and thought, "man, that would be cool!" :-) (I hate anything Windows related and it hates me)

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