OBD Reader - Security Bypass

[commbubba19]

Where can i read up on bypassing the encryption and security cable on the Wrangler?

I see posts talking about the Zautomotive bypass cable and the extension then needing a Jscan (?) app and paying a fee to them.

Really I'm just wanting access to read and clear any codes and read contol modules if any errors. Plus mode6 information that may be available. Lastly if there are any small changes not available from Uconnect screens.

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[jludave]

The Tazer and JSCAN (with bypass cabled and OBD adapter) are 2 different methods for achieving the same thing - reading/changing vehicle settings. The choice comes down to ease of use and cost. I've used both and now only use a Tazer.

JSCAN is a paid app that you use on your phone, in conjunction with an OBD reader and bypass cables. Changes to vehicle settings are made within the app on your phone.

The Tazer is a device that connects to the vehicle and is controlled via the steering wheel buttons to scroll through menus and make changes.

http://jscan.net/jeep-wrangler-jl/

https://www.zautomotive.com/product-category/tazer/

If you don't plan on making changes to things like tire size, then you can simply buy an ODB reader and bypass cables.

https://www.amazon.com/OBDLink-Blue...ym.8e5a2e6a-2480-42b2-b29b-9d31f472f1fb&psc=1

https://www.amazon.com/TTXSPP-Adaptor-Chrysler-Programming-Connector/dp/B08ZL4LRVK/ref=sr_1_3?crid=37EU5BPE0DFZ6&keywords=jeep+jl+security+bypass+cable&sprefix=jeep+jl+security+bypass+cables,aps,75&sr=8-3

 

[Rhinebeck01]

@jludave

I myself no longer recommend (have not recommended for about a year+- now) Chrysler cables.

Far better way to go is with a dedicated security gateway bypass module. ZAutomotive sells one and so does ECRI. ECRI is $34.99, about half the cost of the ZAutomotive offering and does the same deed equally well.
https://ecri.app/products/ecri-secu...OgRhPDv9fRE2FfWLyBfbmjcqYb0uIWDikTq11iP0NLJZY

Anyway, rather then spend $16.00 for the old way, Chrysler cables, better to spend the $ and get a dedicated bypass module.

Nice thing about the dedicated security gateway bypass module is that the footprint is way smaller.... and you can leave it hooked up 24/7 365.... Just need to remove the gateway bypass module and hook up the two gateway cables when the JL goes into the dealer. Also, resale of the ECRI will be easy and with Chrysler cables, no..

YES, you recommended the pic of the litter so to speak in regard to a scanner tool to use with JSCAN and the JL.. That's the scan tool I recommend.

Security Gateway extension cable.... Highly recommended...
https://www.zautomotive.com/product/z_sgw_ext/

 

[commbubba19]

So how does the SGW bypass cable impact the use of an auto stop start eliminator? I believe it used one of be ports on the SGW module.

 

[Rhinebeck01]

So how does the SGW bypass cable impact the use of an auto stop start eliminator? I believe it used one of be ports on the SGW module.

@commbubba19

You would daisy chain the auto stop start eliminator (I do not recommend that unit as it is known to hiccup) with the ECRI security gateway bypass module. You can leave all hooked up 24/7/365. Just need to remove all and hook up the 2 gateway cables when you go to the dealership service department.

SmartStopStart unit is the way to go in regard to a unit that deals with stop/start. Never ever hiccups, small footprint. SmartStopStart is a forum sponsor also and the owner of that company, is a fellow JL owner.

 

[americonium]

Alright,
I'm dredging this thread up from the summer because I am still puzzled by what I need. First, what I have...

2018 JLUR
SmartStopStart
Bluetooth OBDII reader/programmer
JScan software on my phone
A VIN for my Jeep

Do I need the double harness and the security gateway module, or just the double harness?

Thank you for your time.

 

[rcadden]

Alright,
I'm dredging this thread up from the summer because I am still puzzled by what I need. First, what I have...

2018 JLUR
SmartStopStart
Bluetooth OBDII reader/programmer
JScan software on my phone
A VIN for my Jeep

Do I need the double harness and the security gateway module, or just the double harness?

Thank you for your time.

You need the ECRI security bypass module, and not required but highly, highly recommended is the ZAutomotive extension cable.

The OBDII reader/programming plugs into the OBDII port. Easy peasy.
The ECRI security gateway bypass plugs into a separate port and basically acts like a jumper cable, bypassing the security (hence the name). This thing is what allows you to clear codes and change things. If you just want to read-only, then you wouldn't need this piece.

The extension cable is helpful as the place that the ECRI plugs in is a real beast to get to, and you don't want to have to do it more than once. If you take your Jeep in for service with the security bypass installed, it'll throw an error when they inevitably plug in their own diagnostic OBDII cable. So the extension cable makes it easier to remove/reinstall the ECRI security bypass, and it's wrapped to look like a regular factory cable, to most dealership techs won't notice it.

From my build thread:

I'm a bit slow, so it took me a minute to figure out that you DON'T plug the ECRI into where the security gateway plugs were, but rather you just plug them into the ECRI, so nothing is in the original plug location, and the ECRI just kind of dangles.

This is where the Zautomotive SGW Extension comes in. @Rhinebeck01 emphasized this to me on the phone, but I'm stubborn and figured he was exaggerating - he's not. I do NOT recommend that you do this without the extension. It's fine just the one time, but if I want to take it to the dealership, I'm going to need to remove the ECRI, and that's going to suck. Just pony up for the SGW extension.

 

[americonium]

Thanks, ordered and done. I appreciate the help.

 

[rhocking]

I'm a bit slow, so it took me a minute to figure out that you DON'T plug the ECRI into where the security gateway plugs were, but rather you just plug them into the ECRI, so nothing is in the original plug location, and the ECRI just kind of dangles.

This is where the Zautomotive SGW Extension comes in. @Rhinebeck01 emphasized this to me on the phone, but I'm stubborn and figured he was exaggerating - he's not. I do NOT recommend that you do this without the extension. It's fine just the one time, but if I want to take it to the dealership, I'm going to need to remove the ECRI, and that's going to suck. Just pony up for the SGW extension.

I'm a bit slow too so a few questions?

So you unplug the two connectors from up above the OBD port. Without the extension cable you would then plug these two plugs into the ECRI. With the extension cable I assume you now plug the extension cable into the two slots that are now (having unplugged) empty. Next I assume you plug the ECRI into the other end of the extension cable where this task has now been made much easier due to the extension.

So far I feel like I understood it. Plug the OBDII Reader/Programmer into the OBDII port. Make the changes with JSCAN. Good to go

What next...like I said I am a bit slow. Rhinebeck said you can leave all plugged in but then he said you remove all before going to dealer and that kind of lost me.

Do you unplug the ECRI and plug the original wires into the extension - leaving the extension in place to make your life easier next time ?
OR, do you leave the ECRI plugged in until you have to make a dealer visit and just before the dealer visit you plug the original wires into the extension ?

In either scenario, the ECRI is out of the picture and I take it that the assumption is that the extension looks stock so the dealer won't notice that there is now an extension cable in place.

 

[rcadden]

Do you unplug the ECRI and plug the original wires into the extension - leaving the extension in place to make your life easier next time ?
OR, do you leave the ECRI plugged in until you have to make a dealer visit and just before the dealer visit you plug the original wires into the extension ?

In either scenario, the ECRI is out of the picture and I take it that the assumption is that the extension looks stock so the dealer won't notice that there is now an extension cable in place.

Yes to all. I leave mine plugged in, but if you're a privacy nut, you could remove the ECRI until you needed to change something again, then install it, change stuff, and uninstall it.

But yeah, the extension makes your life easier.

 

[Gmanjeeper]

I'm a bit slow too so a few questions?

So you unplug the two connectors from up above the OBD port. Without the extension cable you would then plug these two plugs into the ECRI. With the extension cable I assume you now plug the extension cable into the two slots that are now (having unplugged) empty. Next I assume you plug the ECRI into the other end of the extension cable where this task has now been made much easier due to the extension.

So far I feel like I understood it. Plug the OBDII Reader/Programmer into the OBDII port. Make the changes with JSCAN. Good to go

What next...like I said I am a bit slow. Rhinebeck said you can leave all plugged in but then he said you remove all before going to dealer and that kind of lost me.

Do you unplug the ECRI and plug the original wires into the extension - leaving the extension in place to make your life easier next time ?
OR, do you leave the ECRI plugged in until you have to make a dealer visit and just before the dealer visit you plug the original wires into the extension ?

In either scenario, the ECRI is out of the picture and I take it that the assumption is that the extension looks stock so the dealer won't notice that there is now an extension cable in place.

I guess I am very slow. If this Involves plugging the wires (which were removed from the security bypass module) into the extension and then plugging the ECRI module into the extension, wouldn’t you just have to pull off the ECRI module from the extension and then leave everything as is when going to the dealer? Assuming all of this, does nothing ever need to be plugged back in to the original security by pass module? Also, to “write” changes, with all installed, the new OBD2 device would then be plugged into the vehicle’s factory OBD port (where I plugged in my Procal in a previous vehicle)? And then I would just remove the new OBD2 device once my changes had been “written? Thanks.

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