Remote starts but dies

So finally i got it to remote start but then dies after 2 seconds.Before it would just light up the dash then that it.I have to hold the remote start button though like 5 attempts holding it down all that time dashing lighting up the off over and over then the accessory come on and stay as well as the dash then starts dies starts dies untill i kill it with the remote.What do you think oo i am running tachless as of now.Any knowledgeable opoins.T he plxr is doing it job in know,they said it  would not even turn over if not.05 colorado with crimestopper 2016fm

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colorado tap the rockies

Do you have a passlock bypass? Sounds exactly like what the vehicle will do when it can not verify with passlock...

if its the passlock, you will know from the light or if it wont start normaly from lockout. Passlock kills the fuel, It shouldnt run for 2 sec. i would use your wires and start it your self to see if it the remote. Ive had problems like that from not using a tach. Setting/Programing maybe.

no its not the bypass its a ion type it will not try to start at all .I can not figure out why the renmote start will not power the ignition and stay on the first time rather then 3 tryes

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colorado tap the rockies

i had that problem with another chevy.  I had over looked the factory alarm disarm, but had the passlock bypass.  It would start and then die right away.   Double check your connections and make sure it is all covered.

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Good Luck!
-Thad

do u have the second acc. and second igniton hooked up?

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Where theres is a wire there's a way.

Two words... capitals, and the word "you" instead of "u"... christ.... why can't kids use english instead of 13 year old kiddy chatroom speak....

Anyways....

There is no second ignition or second accessory on a Colorado. There is an ignition, a +12V wire, a ground, and two passlock wires. If you are not feeding it the correct sequence of ignition, then passlock resistance value, you will get neither crank nor accessory. Both are controlled by the ECM. When the ECM sees the correct resistance on the passlock wires, the computer will crank the motor until it starts, cut the starter, and then fire the accessory circuits up.

1) Are you sure you learned the PLXR properly in the correct mode for the Colorado/Canyon (same mode as Ion, I believe. We just use a couple relays and the correct resistance values... works wonderfully)

2) A tach wire really isn't necessary, you can set it up for tachless and not really worry about the starter grinding itself to pieces, since the remote start isn't technically powering the starter directly. If you want to do tach, it can be found on I believe the blue connector on the ECM, driver's side of motor, only white wire... Also, if going tachless, make sure unit is programmed as such.

Try these out, and get back to us....

Gus


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Wherever I go, that is where I end up......

gus...sorry i didnt look at the wire diagram.....just through that on the table....i guess i should have look at the diagram.....dont get lippy ...no one like a smart ass

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Where theres is a wire there's a way.

i had hte same problem on the colbalt .....the problem was the 555lw had not learned the resistance......and by the way caps r not needed......

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Where theres is a wire there's a way.

555L requires a different programming sequence for the newer GM stuff. We just use the 2 relay/resistor method on them right now (there's an infotech somewhere about it), but there is apparently a 556L out now that is an updated 555L that does the Canyon/Cobalt/Colorado/Pursuit etc. no problem.

Gus

PS: You don't want me to be neither lippy, nor a smartass... CAPS help to differntiate sentences, pronouns, some nouns, references to one's self. Some of us older types are from a time when the education system taught proper sentence formation, punctuation, and other lovely, seldom used, sentence formation skills.

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Wherever I go, that is where I end up......

yea some of us installers are not (english) educated :-)

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Where theres is a wire there's a way.

gus the sequence of ignition what do you mean?explain.That makes sense why the accesory does not stay on .It have a turbo timer i am not using but if you ground that it starts up first time ,then dies,starts then dies.But by using the remote it is not as consistent .HELP

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colorado tap the rockies

1) Make sure you are using a ground when running off of the remote start to the ground when running input of the PLXR. If it's a DEI remote start, you will be using the blue wire (NOT the blue white). As to the color on your particular brand of starter (can't remember what it is).....

2) Make sure it is programmed correctly in the correct mode.

The only high current wires you need off of the remote start are ignition, and +12V.... everything is either negative trigger, or done by the ECM.

HTH

Gus


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Wherever I go, that is where I end up......

got it today i was holding the remote button to long only 2 seconds needed to try to start as for the start and die,i increased the tachless voltage higher.I am SO FREAKING HAPPY NOW YAAAAAAAAAAAAAAAAAAAAAAAAAAA.iT STARTES AND STAYS RUNNING.  All this because of my lack of experience on how things function.Thanks for the help GUS you were on the right track.

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colorado tap the rockies

Excellent.....

That was going to be the next one. I know on a lot of the DEI stuff, if you hold the button too long, it will start, then shut down as soon as the button is released. A 2sec button press is all you need. Glad to help you out...

Gus

PS: Have an 05 Colorado booked in for tomorrow morning as a matter of fact.....

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Wherever I go, that is where I end up......

Gus ,if its a 5 cy i may ask you as far as you doing the tach wire.And any other ??? oso pay attention if you will THANKS

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colorado tap the rockies

The one I did yesterday had the 5cyl. in it. I did not do any sort of tach connection, just used voltage sense (computer is controlling crank.... the computer won't let the starter grind...) If you were to do tach, I believe in the Black connector of the ECM there will be all 5 injector wires.

Otherwise, nothing wierd, half hour install with keyless. Lotsa room under the dash too.

Gus


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Wherever I go, that is where I end up......