Programmer/Tuner that allows custom fan settings?

[Mudduck]

I did some googling. couldnt find my answer. Wondering if there are any tuners that allow for fan control?

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[Maverickxeo]

I don't know if it helps - but Jscan (with bypass) will allow the fan to run at max through a button press on the app.

 

[Mudduck]

I don't know if it helps - but Jscan (with bypass) will allow the fan to run at max through a button press on the app.

Thank you! I sold my Tazer and was planning to buy a Jscan

 

[Mike@Powerteq]

I did some googling. couldnt find my answer. Wondering if there are any tuners that allow for fan control?

the TD3 may have it, and the Diablo i3 and T2 offer a parameter for target coolant temp. Theres no traditional on/off control with the JL, the pcm simply targets a coolant temp and works the fan to get it to stay there.

 

[Jim1964]

Are you trying to get the fan to run more, or less?

There’s some strange stuff in the programming for the JL cooling. Sometimes the fan on mine will go 100% speed for several minutes, when there’s no reason visible on the gauges. As in ambient temp below 60, with oil, coolant, and transmission temp <200. This is most often noted on low speed trails. Maybe it’s cooling the power steering or something???

 

[Maverickxeo]

Are you trying to get the fan to run more, or less?

There’s some strange stuff in the programming for the JL cooling. Sometimes the fan on mine will go 100% speed for several minutes, when there’s no reason visible on the gauges. As in ambient temp below 60, with oil, coolant, and transmission temp <200. This is most often noted on low speed trails. Maybe it’s cooling the power steering or something???

I wonder the same... I've had the engine/oil up to 110C, and the fan doesn't cut in, but then other times, both are around 90C and the fan cuts in full speed...

 

[Rogersocal]

the TD3 may have it, and the Diablo i3 and T2 offer a parameter for target coolant temp. Theres no traditional on/off control with the JL, the pcm simply targets a coolant temp and works the fan to get it to stay there.

Im sure its been some time, But have we found a way to change "Target cooling Temp" in J-scan?

 

[oldcjguy]

I can change it in my TD3. It's an option when you go to apply the tune.

 

[Mike@Powerteq]

Im sure its been some time, But have we found a way to change "Target cooling Temp" in J-scan?

its a value that needs to be flashed to the PCM, I doubt it can be done through that solution.

 

[C.Sco]

RpmExtreme Jeep JL PWM FAN CONTROLLER

It says it only works on the 3.6, but at least one person here has reported it works fine on their 2.0T as well.

I bought it for my 4xe and haven't had a chance to install it yet, with it still being winter I haven't felt rushed. Their website doesn't say if it works or not on 4xe, but I dunno. I'll try it anyways. I figured if someone else made it work on 2.0T then maybe I can too.

 

[Rogersocal]

RpmExtreme Jeep JL PWM FAN CONTROLLER

It says it only works on the 3.6, but at least one person here has reported it works fine on their 2.0T as well.

I bought it for my 4xe and haven't had a chance to install it yet, with it still being winter I haven't felt rushed. Their website doesn't say if it works or not on 4xe, but I dunno. I'll try it anyways. I figured if someone else made it work on 2.0T then maybe I can too.

Im in that thread and i was of the understanding that the person in that thread had the 3.6? Which post in that thread shows the 2.0 owner that has it? I reach out to Jon at RPMEXTreme every month for 2.0

 

[C.Sco]

Im in that thread and i was of the understanding that the person in that thread had the 3.6? Which post in that thread shows the 2.0 owner that has it? I reach out to Jon at RPMEXTreme every month for 2.0

Oh you may be right, been a while since I read that thread.

What's interesting is the module itself doesn't appear to be something purpose-made for this usage, I googled the part number on the one I got a while back and it was actually an OEM part for a different car for a different purpose, it was like an air conditioner compressor controller for a Saab or something like that, that I guess RPMExtreme was able to harness and repurpose as a JL fan controller. Just found that interesting. Maybe the reason for no 2.0 version yet is they haven't found a source for a controller that can be repurposed for that yet.

 

[Jeep Wick]

Thank you! I sold my Tazer and was planning to buy a Jscan

Have you thought about a relay with a toggle switch? Not the ideal solution but should work for extra cooling.

 

[Mudduck]

Im in that thread and i was of the understanding that the person in that thread had the 3.6? Which post in that thread shows the 2.0 owner that has it? I reach out to Jon at RPMEXTreme every month for 2.0

I know it works on the 3.6, but no info on the 3.6 Etorque. That’s a lot of coin to spend and not know…

 

[Mudduck]

Have you thought about a relay with a toggle switch? Not the ideal solution but should work for extra cooling.

If the fan would work as normal, and have the option to kick on high with a toggle, I’d be down for that.

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