pkucg2x and clifford 3.3.x on 07 cobalt

So I installed this today but had a problem, When attempting to Remote Start dash lights come on and unit trys to remote start but the start never cranks. I repeated the programing for the PKUCG2X a few times. How do you know if the Bypass is bad? or have the right firmware? Can I test this somehow? Any help would be nice! Would I be better off with the XK06 bypass?

SO what passlock wires? I put the key in the ignition and still no start. the key in the ON position or ACC?

ok lets see did you set up the resistors and relays ? this car should not be that hard to get it starting as long as acc drops and ing stays on the car will crank how ever you need the MUX wire to have the proper resistors. did you program the unit for tach or voltage sense ? if you still have issues i think it would be better to used PKUGM2X witch does your resistors and immobilizer bypass.

Ok, yes I don't believe I need the MUX wire. I Have the PKUCH2X not the PKUGM2X....but they are the same thing basically. This car is giving me a headache! so to test with out the bypass (to see if it is bad) the key has be be in the ignition? I didn't add any resistors or relays for the remote start function...? i didn't thing i needed any. So the car needs to see both ign and acc wire with power then the acc drop for it crank? last thing.... I have it set to Tach.

also... I tagged the ignition at the BCM not the ingniton switch. I Don't thing it really matters right?

xpresskit.com says this module has same coverage as PKCH2X and PKUGM2X in one module! so it should work on my cobalt.

OK so I was trouble shooting this a little today and still not RS with the key in the ign. I put a DMM on the Brown ACC wire and it does not have any power on it at all at any time...... any ideas? I tryed it at the Ign harness and the BCM. And I only get the engine light on the dash when i try to RS and nothing else.

Well the RS does output power on the ACC wire.... but when I turn the the key and start it manually the Brown ACC wire never gets any power... i dont know if i have the wrong one... but it is the only brown in ign harnes.... is there a keysense or thing like that i need to tag? Yes all my power wires are connected. I did notice when I manualy turn the key it there are moving parts around the Steering column...i dont know what that is all about.

PS: Directtechs wiring says I may need an ACCESSORY DROP OUT Circuit. Any thoughts? or relay diag for this?

so where did you find your wires at the base of the column or the switch?

at the switch, I also tried the BCM

skablamm wrote:

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PS: Directtechs wiring says I may need an ACCESSORY DROP OUT Circuit. Any thoughts? or relay diag for this?

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this is just refering to attach a accessory wire

an accessory wire that only has power in ther on position and not the crank

The PKUCG2X units WILL work  with select GM BUICK CADILLAC CHEV GMC HUMMER PONTIAC SATURN SUZUKI vehicles You will need to recheck your wiring, this is what it should be , black wire from bypass to ground, red to constant 12v and brown will goto the ground out when running from remote starter unit, this unit will only provide the transponder bypass for your vehicle, you will also have to run the transponder loop around  the ign switch and plug it into the bypass unit your resistor code wire is white the voltage reference wire is WHITE/ black and the ign wire is yellow.  The resistor code wire will show 12v for key sense, 5 volt during acc and ign and just under 4v during crank.  You will hook up the ign wire from the clifford to the cobalt ign switch, you will also have to hook up the acc wire to the cobalt, you will need a 9.6Kohm resistor and a 6.3Kohm resistor aswell.   You will need a relay the neg will be hooked you to the ground out from the clifford the (+) hooked up to constant 12v,     87 will not be hooked up, the starter wire from the cliffors will have the 9.6k resistor hooked upto it series ( in line)  and you will need to hook up the 2nd acc wire with the 6.3k resistor in series aswell, both ends of the resistors will be connected together and ran to vehicle side cut wire the other side the ign switch side will go to pin 87A on the relay  do not try to remote start the car with out hooking this relay up or the computer will store fault codes and the dealer will blame your remote starter for every problem that goes wrong, not unless you have a freind that can clear the codes that are stored.