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  #13  
Old 12-02-2010, 12:26 PM
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Re: No way to switch ESC/TCS fully off?

I know for a fact from the engineers chat that the traction control system in the wk2 is more adavanced than the wk. maybe it detects wheel slippage better and displays it in the evic where as the wk didnt detect it as well. You also have to remember that you have 20" street tires on sand....unless you changed to a sand tire/at/mt without my knowledge. I think you should get the wk2 setup similar to your wk...or how you would like it and then compare it to your previous wk. JMO. The way they stand now and from I remember about your wk...it was an offroad setup...with lift, tires etc.
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  #14  
Old 12-02-2010, 12:35 PM
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Re: No way to switch ESC/TCS fully off?

You are correct, it was more towards off-road. But I did a lot of dune driving before I modified it and even before I found out how to completely disable the ESC.
It is quite obvious when you try and go up a big dune, but it runs out of power at 3500 rpm. It just won’t allow you that extra bit of ooph to get you up the hill. I am sure that the WK2 will be better than the WK IF you could switch off the ESC.
Don't get me wrong. I love the WK2 and I think it is hugely capable, but it is limited by the ESC. As is, the old STANDARD QDII in the WK was better for loose sand than the new setup.
I am sure it will be more than adequate for most, but as you must have noticed by now, I tend to test the limits a little bit every now and then.
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Old 12-02-2010, 05:58 PM
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Re: No way to switch ESC/TCS fully off?

Wouldn't the Sand/Mud mode on Selec Terrain be tuned to dealing with this scenario? In the owners manual it seems to allude to allowing wheel spin, but not sure it was meant to accommodate at the limit use...I do have a question into Chrysler Customer Care tech support to see if ESC can be turned off, will let you know what they say.
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Old 12-02-2010, 06:25 PM
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Re: No way to switch ESC/TCS fully off?

Quote:
Originally Posted by apehead View Post
Wouldn't the Sand/Mud mode on Selec Terrain be tuned to dealing with this scenario?
Yes, it is.
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  #17  
Old 12-02-2010, 11:26 PM
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Re: No way to switch ESC/TCS fully off?

Quote:
Originally Posted by GlowingGhoul View Post
Yes, it is.
Meaning?
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  #18  
Old 12-03-2010, 01:22 AM
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Re: No way to switch ESC/TCS fully off?

Operation modes

Fully On

Fully engaged, active ESP means all modes — all active, all the time. This is called the Fully ON mode and should be used for normal driving. The Fully ON mode completely activates the Antilock Brake System, Low-Speed Traction Control, All-Speed Traction Control, ESP Yaw Control, and Electronic Roll Mitigation. By default, whenever the vehicle is started, ESP is Fully ON or fully active.

Fully ON is automatically engaged, requiring no specific driver input. The system defaults to Fully ON each time the key is turned from the “off” to the “on” position or when shifting the transfer case on 4x4 vehicles. One push of the ESP button will put ESP back into the Fully ON mode if the vehicle is already in the Partially OFF or Fully OFF setting.

Partially OFF

The Partially OFF mode provides less automatic control by modifying the all-speed traction control and ESP yaw control thresholds. This will allow for limited wheel slip for high-performance driving situations, or driving off-road.

To select the Partially OFF mode, a single press of the “ESP OFF” button at any speed is all it takes. A warning lamp in the instrument cluster will illuminate.

Fully OFF (not available on Grand Cherokee)

The Fully OFF mode completely disables All-Speed Traction Control, ESP Yaw Control and Electronic Roll Mitigation. This mode is reserved for high-performance vehicles and off-road-capable vehicles when in four-wheel-drive mode.

To select the Fully OFF mode, press and hold the “ESP OFF” button for at least 5 seconds but not more than 14 seconds while under 10 mph. A chime will sound, a warning lamp will illuminate and a text message — ESP OFF — will appear in the instrument cluster (on vehicles with EVIC). Fully Off mode is automatically activated on 4x4 vehicles when the transfer case is shifted to 4LO mode.

When 4x4 vehicles exceed 40 miles per hour, ESP automatically switches from Fully OFF to Partially-OFF. In 4x4 vehicles, added safety is achieved by having all of ESP’s features active above 40 mph. This is not done in SRT vehicles because these vehicles are optimized for higher rates of speeds.


Note that regardless of the mode, the antilock brake system and low-speed traction control remain active — all the time.

http://www.wkjeeps.com/wk_esp.htm


"fully off" was not available on Grand Cherokee
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  #19  
Old 12-03-2010, 01:28 AM
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Re: No way to switch ESC/TCS fully off?

What most of us SRT8 guys do at the track is pull the ABS Pump Fuse. That fully disables the TC system. It usues the ABS system for the TC. I do much much better burnouts with the fuse out. Some SRT8's gain .10 in the 1/4.
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Old 12-03-2010, 01:51 AM
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Re: No way to switch ESC/TCS fully off?

Quote:
Originally Posted by Scottina06 View Post
Operation modes

Fully On

Fully engaged, active ESP means all modes — all active, all the time. This is called the Fully ON mode and should be used for normal driving. The Fully ON mode completely activates the Antilock Brake System, Low-Speed Traction Control, All-Speed Traction Control, ESP Yaw Control, and Electronic Roll Mitigation. By default, whenever the vehicle is started, ESP is Fully ON or fully active.

Fully ON is automatically engaged, requiring no specific driver input. The system defaults to Fully ON each time the key is turned from the “off” to the “on” position or when shifting the transfer case on 4x4 vehicles. One push of the ESP button will put ESP back into the Fully ON mode if the vehicle is already in the Partially OFF or Fully OFF setting.

Partially OFF

The Partially OFF mode provides less automatic control by modifying the all-speed traction control and ESP yaw control thresholds. This will allow for limited wheel slip for high-performance driving situations, or driving off-road.

To select the Partially OFF mode, a single press of the “ESP OFF” button at any speed is all it takes. A warning lamp in the instrument cluster will illuminate.

Fully OFF (not available on Grand Cherokee)


The Fully OFF mode completely disables All-Speed Traction Control, ESP Yaw Control and Electronic Roll Mitigation. This mode is reserved for high-performance vehicles and off-road-capable vehicles when in four-wheel-drive mode.

To select the Fully OFF mode, press and hold the “ESP OFF” button for at least 5 seconds but not more than 14 seconds while under 10 mph. A chime will sound, a warning lamp will illuminate and a text message — ESP OFF — will appear in the instrument cluster (on vehicles with EVIC). Fully Off mode is automatically activated on 4x4 vehicles when the transfer case is shifted to 4LO mode.

When 4x4 vehicles exceed 40 miles per hour, ESP automatically switches from Fully OFF to Partially-OFF. In 4x4 vehicles, added safety is achieved by having all of ESP’s features active above 40 mph. This is not done in SRT vehicles because these vehicles are optimized for higher rates of speeds.


Note that regardless of the mode, the antilock brake system and low-speed traction control remain active — all the time.

http://www.wkjeeps.com/wk_esp.htm


"fully off" was not available on Grand Cherokee

This is really weird because it was absolutely possible to fully disable ESC/ESP in my 2006 Overland. It worked exactly as described above. Like I said, I had a 2006 Overland, but even on my friends 2010 Overland it is possible to disable fully. I did advanced Off-road training with a Jeep expert/specialist and he also confirmed this.

When I get the chance, I will get some video demonstrating that there can be no doubt that the engine RPM is NOT limited by the ESP/ESC when in FULLY OFF mode, but it is while in PARTIALLY OFF mode. I will also get a clip of him actually disabling the ESP as the above procedure indicates. ("To select the Fully OFF mode, press and hold the “ESP OFF” button for at least 5 seconds but not more than 14 seconds while under 10 mph. A chime will sound, a warning lamp will illuminate and a text message — ESP OFF — will appear in the instrument cluster")
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