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-   -   2007 Aura XR won't start (sporadic problem, not a dead battery)) (http://www.saturnfans.com/forums/showthread.php?t=136793)

TN1 04-12-2009 09:56 PM

2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Five times since last November, I have gotten in my car, inserted the key in the ignition, turned the key, and the car has failed to start. All the accessory power comes on, and if I leave the car and come back at least 20-30 minutes later, the car starts just fine. Each time, the circumstances are different - some of the times, it happened after the car sat overnight or for a few hours, and other times, it happened 5-10 minutes after I turned off the car (like, to run in to the store). I have had the car to two dealers - one indicated they were able replicate the problem one time, but after 20 minutes the car would start so they could not duplicate the problem again. The second dealer was unable to replicate the problem.

After the most recent instance, I've wondered if it might be the PassKey system not working right. Has anyone else had this problem?

cfisher2 04-12-2009 10:03 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
I'm going to say i'm almost 80% sure it's the passkey system. My old buick lesabre did that. If the chip in the key starts to go bad it locks you out for like 10-15 minutes, it even showed a security lock in bright green on the dash.

I resolved the issue by using the spare key, never happened again. Then I got rid of the car... and got the Aura!

***also want to add that it didn't happen every time, it was entirely random, although, it always seemed to happen when I had to be somewhere in a hurry, freaked me out the first 2 times till I googled it and realized what it was. lol.***

Phaeton Driver 04-13-2009 01:41 AM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
[QUOTE=cfisher2;1432895]I'm going to say i'm almost 80% sure it's the passkey system. My old buick lesabre did that. If the chip in the key starts to go bad it locks you out for like 10-15 minutes, it even showed a security lock in bright green on the dash.

I resolved the issue by using the spare key, never happened again. Then I got rid of the car... and got the Aura!

***also want to add that it didn't happen every time, it was entirely random, although, it always seemed to happen when I had to be somewhere in a hurry, freaked me out the first 2 times till I googled it and realized what it was. lol.***[/QUOTE]

I can find nothing to indicate the Auras use the passkey system. No resistance in the key. No tamper indicator on the dash which is there on other older GM cars that use the passkey system. The owners manual says that if you have the key code tag that comes with the keys, usually kept by the dealership, any locksmith can cut you a key.

So if we have the system can anyone point me to documentation on the web to support it?
The stating problem described sure sounds like what happens if the resistance is incorrect in the key. The information on the system says it disables the ignition for 4 minutes after an attempt with an incorrect key. The tamper indicator flashes for that 4 minutes.

If we don't have the passkey system, I think the problem can be a borderline battery voltage. If the computer thinks the battery is to low it will prevent the starter from engaging.

onefunkar 04-13-2009 10:48 AM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
try the other key. if the car cant read and recongnize the transponder when you turn the key nothing happens. then it wont start for a while. try using the other key. if you have no problem you will know that was it. then try reprogramming the key and if you have more oproblems get another key.

onefunkar 04-13-2009 11:16 AM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
aura has, as most gm cars now do, passkey 3 plus. each key has a different transponder signal. when you insert the key two things have to happen. last time the key was used the computer gave the key a random code. one the car has to know that the key knows this code and two the car has to recognize this key. then the car will start. when you get a new key it has to be programmed. you can do it yourself in 10 seconds.

cfisher2 04-13-2009 11:52 AM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
What he said ^

I'm guessing if it's happening often tho, there's most likely a problem with the key. Do you have a spare you can try?

jita1 04-13-2009 01:11 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
[QUOTE=Phaeton Driver;1433011]I can find nothing to indicate the Auras use the passkey system. No resistance in the key. No tamper indicator on the dash which is there on other older GM cars that use the passkey system. The owners manual says that if you have the key code tag that comes with the keys, usually kept by the dealership, any locksmith can cut you a key.

So if we have the system can anyone point me to documentation on the web to support it?[/QUOTE]

Here's the 2007 MY owner's manual. Page 114 shows Pass-Key III.

[url]http://www.saturn.com/assets/en/pdf/owners/manuals/2007/442_2k07aura.pdf[/url]

MY '08 has it to.

XR524 04-13-2009 02:15 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
sounds very similar to a problem i had with the starter solenoid on a '97 wrangler. its hard to say though. i doubt its a problem with the key passcode though. the dealership [I]should[/I] have been able to tell if that was the problem.

would the problem not return any failure codes from having it scanned at local car parts store? definitely have it scanned if you havent yet. its free.

Phaeton Driver 04-13-2009 04:34 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
[QUOTE=jita1;1433269]Here's the 2007 MY owner's manual. Page 114 shows Pass-Key III.

[url]http://www.saturn.com/assets/en/pdf/owners/manuals/2007/442_2k07aura.pdf[/url]

MY '08 has it to.[/QUOTE]
Many Thanks.
What i found indicated the passkey was resistance based. That was I, II, and it said III, but these are III+. Similar to what my old Cady had.
This must be similar to the new RFID chips used in so many things today.

Found the info in my 07 owners manual on page 110

Thanks again

onefunkar 04-13-2009 05:38 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
pkiii is the first level with imobilizers so the key needs to be programed. pkiii plus is the same thing with rolling codes. either one or two was the old chip on the key and the other was passkey which could use any key.

TN1 04-13-2009 10:11 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Thanks very much for the replies.

AuraDrvr89 04-14-2009 04:20 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Well, maybe I can lend some insight.

A few months back, one day... My Aura did not start. The battery did not seem dead, but we jumped it anyway (not smart, I know.) Oddly, about ten minutes later, the car started just fine. I had called the dealer to alert them that there was a possible problem.

Next week the Aura was at the dealer for an oil change, alignment, rotation, rotors (of course.) When the service tech called and asked if I had any problems starting the car. I said no, but told him of the story. They asked to keep the car overnight to test the battery and such. The techs "couldn't duplicate." Even though this happened while it was actually at the dealer.

I get the car back, after they gave it a clean bill of health. Fantastic. Except for a day the following weekend. No start.

The car eventually started, oddly after it was jumped (must have been a coincidence.) I took it to the dealer. Once again, I was told they couldn't duplicate the problem. I told them to continue checking, and that I wouldn't be picking up the car until something was fixed. They called me back and verified it was the battery. Replaced the battery, deeming that it had a "bad cell." They gave me many apologies, and I picked the car up.

A few days later, no start, AGAIN! The car was then towed to the dealer. It turns out, the entire time that the starter was malfunctioning.

They, again, gave me many many apologies and let me pick up the car after replacing the starter.

There have been no issues since.

dishdude 04-15-2009 11:23 AM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
If it is a passlock problem, I would think the light of the car in a padlock would light up.

I had a keycut that is a non transponder key, and if I try to start the car with it all of the accessories will turn on, but the car will not crank. On the left side of the gauge cluster the security light (car with a padlock around it) will stay illuminated until I turn the ignition off.

HAL2000 08-23-2011 02:16 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Found a 'work-around' for this issue, since both of my keys would not work to crank my car.

Around the ignition is a plastic ring that has the power modes displayed on it. Underneath it is an Immobilizer which communicates to the Control Module. Inside the key is the transponder for the Immobilizer ring which for some reason is now too weak to communicate or be read by the Immobilizer.

[B][FONT="Impact"]I held my second key flush to the plastic ring, next to the ignition cylinder[/FONT][/B], and when I used my primary key to crank the car, it started right away.

Keep in mind this is a work around and you should get the Immobilizer or your key (depending on your issue), replaced.

gregh2000 08-24-2011 12:35 AM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Mine wouldn't start again. All the accessories worked just fine it just wouldn't start. It would try to start once then it would not try again. Sometimes it would start just fine, other times it was dead. It turned out the battery was bad. I could jump it and it would start. This is my 3rd battery in this car now. So it very well could be a weak or bad battery that under the right circumstances will start the car. They load tested mine and it failed.

NDjoe 07-12-2015 08:57 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Was a solution ever found for this problem?

englepj 09-30-2018 01:43 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
I'm having this issue still with my Aura, but it is even worse now. I have tried using the spare key and starting with the remote. Battery was replaced when this first started last year. At first I thought this was a temperature issue, as this started in snow. But, it has started again just last week. I thought maybe it is the starter, but it is not making any grinding noise, smoking, or anything like that. An interesting thing happens though. Here is the scenario:

Turn ignition

no start

Try again

no start

Try Again

Runs rough and tachometer doesn't work.

I had once drove the car with the tach not working (didn't realize it and only had to drive a short way luckily) and the car acted like it was going to stop running at any minute.

So what is the common theme with the car not starting and the tach not working?

And has this happened to anyone else?

Have not taken it anywhere yet because it is so random, not sure if any of the podunk repair shops where I live would be able to diagnose properly.

imaddicted2u 09-30-2018 04:20 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
Any trouble codes?
I had wacky starting issue, tach was not involved though. Was a ground problem associated with the transaxle range switch making the ECM think it was in gear intermittently. You may have an issue with a different ground, maybe one associated with crank sensor or maybe a failing crank sensor, I think it reports the RPM.
This is them most difficult type of problem to find. A scanner that can read codes as well as live data would be instrumental in solving this.
Read my post here...
[url]http://www.saturnfans.com/forums/showthread.php?t=234451[/url]

fdryer 09-30-2018 04:26 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
englepj, while not a good reference, how many miles are on this starter. Frequent short trips (little mileage) is another reference to determine if a starter wears out. No bench test is the world will give 100% assurances of a good starter. Starters wear out. They don't have to announce their demise. There's a quick test but requires crawling under the car to attempt starting or using a wired remote start button connected to starter terminals.

floridasl22002 10-02-2018 04:07 PM

Re: 2007 Aura XR won't start (sporadic problem, not a dead battery))
 
I don't usually input on the Aura forum but a past experience some years ago may be help.

Back in the UK, I had a top of the line Citroen XM. All was well with the car, until one day I go to park up the car to attend a meeting. I'm early so park away from the company. Time to move and I try to start it and nothing..zilch. Just like a dead battery as no power. BUT the dash lights come, etc. I leave the car and leg it to the meeting and call a tow truck. They take it to the main dealer who say it's your alternator and replace it. Pick up the car and drive it home.

Short while later, the exact same thing... no power, no start. So again it goes into the main dealer by my home this time. They can't find anything wrong and their only suggestion is a new battery and point me in the direction of the local battery company, who check the car & battery out and find no issues.

A couple of weeks later, same thing again..no power, no start, so back into the dealer it goes. A clued up mechanic determined that the starter motor had developed 'flat spots'. When the thing stopped on the flat spots, there would be no contact to spin the starter. I guess minute movement then nudged it off the flat spot and it would start normally. Swapped out the Starter Motor and no more issues.


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