Nuisance light failure warnings

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Nuisance light failure warnings

Postby metrognome » Mon Apr 01, 2013 9:49 pm

My 2007 9-3 is giving me warnings each trip about my lights. Within a couple minutes of starting the car I get a warning saying a "right front position" light has failed, and a few minutes later I get another warning saying my left side marker light has failed. I assume this is the side repeater in front of the door. I have checked all these lights repeatedly and find no failures.

To muddy the water a bit, my car is overdue for it's 60,000 mile major service. I am getting the message that the car is due for service each time I start the car. I have bee getting this message for a couple of months. Is it possible these light warning things are just false warnings intended to get me to take my car to the dealer to get the 60,000 mile service done?
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Re: Nuisance light failure warnings

Postby 88SPG » Tue Apr 02, 2013 4:57 pm

In my 9000, I get occassional bulb failure warnings. For me, it can be traced back to the relays for the lights and microfractures in the solder joints.
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Re: Nuisance light failure warnings

Postby metrognome » Tue Apr 02, 2013 10:02 pm

Interesting. I'll look into that. Thanks.
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Re: Nuisance light failure warnings

Postby StrictlySaab » Tue Apr 02, 2013 10:52 pm

Check in your front headlight in the high beam section of the assembly, there is a small 10w bulb in there that will give you those lamp failure errors. Try comparing the LH to RH side if only one side is burned out. They are sort of a pain to change, you have to remove the high beam harness and bulb then yank out the bulb. The other lamp is the yellow front bumper marker lamp. Same bulb, easier to change. Sometimes the lamps crack and allow water to pool in the housing, replace the entire lamp if this is the case. Again, compare the RH and LH side. Just replace all 4 bulbs. I usually suggest replacing the low beam headlight bulbs at this time too. These are not related to your 60k service indicator on the SID/MIU.
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Re: Nuisance light failure warnings

Postby metrognome » Wed Apr 03, 2013 9:53 pm

Thanks, Justin. I will check again, but I am pretty sure all lights on my car are working. Are these warnings supposed to pop up before a bulb goes bad, or only after?
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Re: Nuisance light failure warnings

Postby StrictlySaab » Thu Apr 04, 2013 12:33 pm

When the SID/MIU says the bulbs have failed, they are burned out. If you have a one side position light out and one side marker lamp out, you should be able to easily compare the two sides of the vehicle and see what bulbs are out. (Check yellow marker in bumper trim and inside the high beam section of your headlight assembly). I dont think there are any UEC software updates which would address erronious bulb outtages. I know there is one to lower the headlight voltage for halogen lights from 13.5v to 12v which extends bulb life. Imagine that, 13.5v to a 12v bulb burns them out quicker...what where they thinking. Its all part of the software updates I usually do on all vehicles during the 60k service (ECM,TCM,UEC,REC,DDM,PDM etc)
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Re: Nuisance light failure warnings

Postby metrognome » Thu Apr 04, 2013 2:52 pm

Ok, I checked again this morning. None of the bulbs on my car are burned out, including the little dim ones next to the HID headlights. :eh:
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Re: Nuisance light failure warnings

Postby StrictlySaab » Fri Apr 05, 2013 12:31 am

Uhhhhh...thats a new one for me then. :wtf:
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Nuisance light failure warnings

Postby stevehayes01 » Fri Apr 05, 2013 3:37 pm

It could be an intermittent bulb failing too.
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Re: Nuisance light failure warnings

Postby GB24Hours » Sat Apr 06, 2013 7:50 pm

stevehayes01 wrote:It could be an intermittent bulb failing too.


That's what happened to me. My car would say the right front position light was out, but when I checked it, it was lit. This went on for a few months, until it actually DID fail completely. Like Justin said, it is frustrating to change. You need looooong, skinny hands and arms. Like an alien. :lol:

I've also received front marker light warnings for the right side. On this, the bulb was actually good, but due to moisture (again, like Justin said) the bulb socket it rusty. I was able to clean it up and get it working, but I'll probably need to get a new one if it corrodes up again.
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Re: Nuisance light failure warnings

Postby Senor Don » Sun Apr 07, 2013 11:44 pm

Um, could it possibly be differing circuit resistances? I recall recommending indicator bulb replacements be done in pairs to minimize the possibility of mismatching BULB resistance. I think it is likely some socket/bulb corrosion might be triggering your warning lamp.

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Re: Nuisance light failure warnings

Postby StrictlySaab » Tue Apr 09, 2013 8:44 pm

Well as luck would have it, had an '10 9-3 in at the shop today throwing bulb marker failure warnings when both were working. I pulled the bulbs and moved them around in the socket, which temporarily corrected the warning on the SID/MIU. 5min later, both were back. Replaced the four front 10w peanut bulbs and both low beam bulbs, all is good now. So would suggest replacing your bulbs and cleaning the contacts in the socket if dirty. (The yellow bumper marker lamps tend to crack on the top of the housing allowing water in to rust the socket, just replace the entire lens/bulb/socket assembly if this is your case).
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Re: Nuisance light failure warnings

Postby metrognome » Thu Apr 11, 2013 8:19 am

Thanks for the continuing input, guys. I will try replacing some bulbs and see what happens. As for long skinny arms, I think I've got that covered.
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Re: Nuisance light failure warnings

Postby stevehayes01 » Sat May 11, 2013 7:08 am

metrognome wrote:Thanks for the continuing input, guys. I will try replacing some bulbs and see what happens. As for long skinny arms, I think I've got that covered.


So did you ever get this worked out Scott??
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Re: Nuisance light failure warnings

Postby metrognome » Tue May 14, 2013 9:13 am

Hi Steve. No. I pulled a couple of the bulbs on the front right side -- the ones I could reach -- that one nearest the grille is IMPOSSIBLE to pull out. I do have a skinny arm and fingers. I could touch it, but I couldn't pull it out, and was afraid I'd never be able to get it back in there.

Anyway, the bulbs I did pull looked fine and had no hint of corrosion. To make matters weirder, the bulb failure warnings faded away for a few days, especially the left side marker one, but now they're back. I really don't know what to make of all this. I have had false bulb warnings before in both of my Saabs, but never this persistently.

I also swapped the fuse that supposedly controls most of the lights on the front right. No change. The relays that are under the hood are not described in the owners manual in terms of their function. Or if they are, I didn't find it.
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Re: Nuisance light failure warnings

Postby metrognome » Wed May 22, 2013 9:12 am

Ok, I'll just come out and say it to get it out of the way. I'm an idiot. :oops:

I finally discovered last night that the "Left Side Marker" light actually was burned out. The confusion came from the fact that I thought this warning referred to the turn signal lamp that's behind the front wheel. Turns out the warning for this is actually something like "side mounted turn signal failure" No, the "side marker" is the orange parking light that's in front of the front wheel. It's inside the little reflector that's inside the black rub strip. I didn't really realize there was a bulb in there. I replaced this bulb on both sides, but I am still getting the "front right position" light failure warning. I still don't know what's causing that one.
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Re: Nuisance light failure warnings

Postby GB24Hours » Wed May 22, 2013 11:17 pm

Scott, Scott, Scott. :problem:

On April 2nd,
StrictlySaab wrote:The other lamp is the yellow front bumper marker lamp.


As for the "position" light, I think I was able to wrangle a small needle-nose pliers down in there, grasp the socket, and pull it out. I changed the bulb, then used the pliers to wiggle the socket back into place. It wasn't easy.
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Nuisance light failure warnings

Postby stevehayes01 » Thu May 23, 2013 11:31 am

Og9-5's are so much easier!
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Re: Nuisance light failure warnings

Postby metrognome » Fri May 24, 2013 8:51 am

Thanks for rubbing it in, GB! I think I was so convinced that my car was just confused that I ignored Justin's notes.
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Re: Nuisance light failure warnings

Postby metrognome » Thu Jun 27, 2013 2:50 pm

Oh yeah, the light on the right side finally burned out. I guess I'll have to finally tackle this.
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Re: Nuisance light failure warnings

Postby metrognome » Mon Jul 01, 2013 11:11 am

I finally managed to replace the light bulb for my front parking light on Friday. This is VERY difficult to reach. I ended up using pliers to pull it out, and this was made easier by removing the high-beam bulb and also the air box. Good times! Man it sure it nice not to have to hear that stupid ding-dong every time I drive my car now!
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