I've read that if the ESP is off in two wheel drive mode it is suppossed to kick back in at 40 MPH and over??? And mine in 4wd High if I hold the ESP button in it will turn it off completely, 4wd Low auto turn off.
I have also messed around with the ESP on/off and my truck at least acts differently.
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I think I remember reading this in the owners manual.
When you push the ESP button to "disable" it, the only function left is the electronic traction lock. This means that it applies the brake to the fastest spinning drive wheel to try and keep both wheels spinning at the same speed. This is why in the wet, it will break both tires loose and get sideways all day long but it hinders having fun on dry pavement.
I've also turned it off, held the brake down, and floored it on dry pavement. It will easily smoke the right rear tire and won't really try to keep the tires at the same speed until you let off the brake. Then it just stops spinning and hooks.
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'09 RAM 1500 Sport, Black
'09 Harley FLHX Street Glide, Black
So, I reread the owners manual. It says the when ESP is partially off, the traction control is on the same as when ESP is on. So, the slipping wheel will have the brake applied to try and put more torque on the other wheel.
I guess it wasn't traction, it was the traction control.
I have an idea about how to disable the ESP without disabling the ABS at the same time. The front axle has a module that sends a signal, as in a voltage, to the PCM when it is engaged. The transfer case uses a variable voltage to tell the PCM which gear it is in. So, if we find out the voltage of 4H and splice it in, as well as using the correct voltage spliced in for the front, we may be able to trick the truck into thinking it is in 4x4 when it is not. When in 4x4, we can fully disable ESP. The only problem is the PCM goes through a process to engage 4x4. My idea may not work if the process is not completed by the PCM and all of the sudden it gets a signal from the front axle and transfer case that the truck is in 4x4. Does that make any sense to anyone else? I am still in the service manual trying to figure something out.
Might be easier to pull the pads out of the rear calipers. I mean people are disconnecting the ABS just to spin their tires, this can't be any more dangerous.
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'09 RAM 1500 Sport, Black
'09 Harley FLHX Street Glide, Black
Might be easier to pull the pads out of the rear calipers. I mean people are disconnecting the ABS just to spin their tires, this can't be any more dangerous.
A switch wired in to deactivate the ESP is not dangerous. I would like to have one. I would also like to do it without a DTC.
Disabling the ABS is not an option for me. I will leave that topic alone.
I am with ran jr. if I want to spin my tires, I bring out old redone 72 chevy, can spin both tires all day long but I just but aset of T/A's brand new cost me almost 500 for 2 tires...man they are getting expensive.
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09 Sport Ram, Hemi 4x4...no power adds, pace edwards power locking tailgate, updated from to REN My Gig and added the uconnect module....required Star scan at the dealer//bad experience 14 hours 2 dealers.
I'm pretty sure it's the torque management hurting the acceleration, not the ESP. If that's the case, those with the 3.92s should be able to push the 'ESP Off' button and roast the tires since the LSD is already doing what the limited ESP does.
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'09 RAM 1500 Sport, Black
'09 Harley FLHX Street Glide, Black
Might be easier to pull the pads out of the rear calipers. I mean people are disconnecting the ABS just to spin their tires, this can't be any more dangerous.
LOL - I'm disconnecting it to keep my ABS from jumping randomly on the highway. This is the first vehicle I've ever had with ABS, not having ABS is no big deal. Sometimes you just have to learn how to drive and stop depending on the vehicle to drive itself
I'm pretty sure it's the torque management hurting the acceleration, not the ESP. If that's the case, those with the 3.92s should be able to push the 'ESP Off' button and roast the tires since the LSD is already doing what the limited ESP does.
Well, maybe, but probably not. The older Rams have torque management and do not have any problems roasting tires. Again, I am not looking to roast my tires, but I should be able to do it.
Read the owners manual section on traction control. It says that traction control is always on unless ESP is fully off, not just partially off. ESP is not a traction control, it is a stability control. It will prevent oversteer and understeer. Traction control and the wheels spinning is not a function of ESP, it is a function of the traction control.
The traction control applies the brake to the spinning wheels. Applying the brakes to any wheel will inhibit forward motion.
