Selec-Speed Control vs Hill-Descent Control (Solved)

[Dyolfknip74]

JLU80 built 12.20 3.6 e-torque with HDC.
I see the main difference vs SSC and HDC is that HDC controls the brakes while SSC controls the brakes AND engine torque. Is there a MECHANICAL aspect to this or is it all computer/electronically controlled? If you have HDC, can the computer be programmed to change it to SSC?

Without knowing how the software acts, a guess would be just that. Having SSC, I have never had the chance to use HDC but with SSC you can control the speed at which you crawl over crap. Not sure HDC has that functionality. Regardless, I doubt it would be a software upgrade otherwise Jeep would be offering it for $699 or some silliness. Lol.

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[Dyolfknip74]

I'd wager the electronics manage the sum of the functioning. E.g., the soft-touch dashboard button to turn Selec-Speed Control on and off, and the vehicle's forward momentum (w/SSC engaged) being adjusted incrementally via the cruise control rocker switch on the steering wheel.

The only thing that comes to mind as a mechanical control is the analog transfer case lever. Even the shift lever for the 850RE is functionally just a switch.

The speed is controlled by the shifter in manual mode. Cruise isn't used at all.

 

[Heimkehr]

The speed is controlled by the shifter in manual mode.

Ah, yes. I misremembered.

Still electronic, though.

 

[Dyolfknip74]

Ah, yes. I misremembered.

Still electronic, though.

Yup. Its actually a lot of fun to play with. And works very well.

 

[Jbudz511]

It's time to take off my factory doors and put on my after market (Bestop) half-doors. Last year, I discovered that my Select-Speed Control (SSC) doesn't work when I remove the factory driver door. Anyone know of a work around?

This is from page 291 of the Owners Manual:
SSC is enabled by pushing the SSC switch, but the following conditions must also be met to enable SSC:
 The driveline is in 4WD Low.
 The vehicle speed is below 5 mph (8 km/h).
 The parking brake is released.
 The driver door is closed.
 The driver is not applying throttle.

Sorry to revive this thread. Was looking around to see if there were video examples of this system similar to Toyota's marketing. I've used this on the beach to ghost ride the jeep (just once) but my doors were off, you need to have the your seatbelt on.....or clicked in for my case lol.

 

[Dyolfknip74]

Sorry to revive this thread. Was looking around to see if there were video examples of this system similar to Toyota's marketing. I've used this on the beach to ghost ride the jeep (just once) but my doors were off, you need to have the your seatbelt on.....or clicked in for my case lol.

Other than a Jeep video, i haven't seen much on the system. I've used it a lot offroadijg just for the gimmick factor. It's pretty neat but giving up control is weird. Lol

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