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Instrument Cluster turns off and on

28138 Views 50 Replies 16 Participants Last post by  Diggs
I have a 2003 9-3 Vector.

About a month ago, I had my car detailed (washed inside and out). Since then I have been experiencing weird electronic problems. At first the windows wouldn't work from the driver side switch (up or down). then the instrument cluster going dead, where RPM, speed, turbo, literally everything in the dash shuts off (except the radio), then turns back on again (just like if you had turn the key a bit, then turned it back to the off position). My car will still drive, engine still runs, lights still work, this is only the cluster, so this appears to be a issue that isn't potentially dangerous.

Since then, the ignition switch and steering column lock went dead, and were replaced. Then there was a warning about the imobilizer not working, which was apparently from a computer freak out since the driver side window switch was bad and replaced with the wrong part. Now the driver side window switch has been replaced, and the imobilizer warning has gone away, but I'm still seeing the instrument cluster reset / reboot.

My mechanic has no error codes, and it's not apparently obvious to them, and they specialize in being a Saab only shop, so......

Anyone else have similar problems?

Apparently, 03-05 are the bad years because GMC took over Saab and made dumb choices, so hopefully someone here knows something about this.
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battery maybe, search the forums, tons on that

they are not bad cars, just got to understand the way the electrical system works.. and parts need to be cleaned occasionally
battery, search the forums, tons on that

they are not bad cars, just got to understand the way the electrical system works.. and parts need to be cleaned occasionally
That didn't work for me. Brand new battery + removed all fuses and cleaned all corrosion from them, then reset them. Didn't resolve the console reboot issue I'm seeing.
the cluster light go off and on or the gauges fall to zero?
The entire cluster shuts off (all gauges go to zero, fuel, speed, rpm, turbo, mileage shuts off), just like the key is in the off position, then turns back on, like if you turned the key to the on position. The SID "reboots" as well.
The entire cluster shuts off (all gauges go to zero, fuel, speed, rpm, turbo, mileage shuts off), just like the key is in the off position, then turns back on, like if you turned the key to the on position. The SID "reboots" as well.
The "Nightpanel" button near the radio has that effect. If you press the night panel button, all the gauges turn off except for the speedometer...as for it doing it intermittently, i'm sure it's one of the computer modules going bad. as for which one, Diggs may know.
The "Nightpanel" button near the radio has that effect. If you press the night panel button, all the gauges turn off except for the speedometer...as for it doing it intermittently, i'm sure it's one of the computer modules going bad. as for which one, Diggs may know.
That's the issue, even the speedo goes to nothing.

Is Diggs a person or some magical service?

This is even baffling my mechanics who are Saab trained and worked at SoCal Saab dealers.......

The only thing we haven't resolved is this position light message that I've been having for quite some time that is going to take time for them to track down. Maybe the short / issue there is the source of the intermittent console reboots?
That's the issue, even the speedo goes to nothing.

Is Diggs a person or some magical service?

This is even baffling my mechanics who are Saab trained and worked at SoCal Saab dealers.......

The only thing we haven't resolved is this position light message that I've been having for quite some time that is going to take time for them to track down. Maybe the short / issue there is the source of the intermittent console reboots?
LOL, no I'm not a magical service. I just read everything that goes through here. Can you give more detail around the position light message? What does it say exactly? Also, did they test your alternator? Has your CIM been replaced?
Is Diggs a person or some magical service?
HAHAHA best I've heard...
LOL, no I'm not a magical service. I just read everything that goes through here. Can you give more detail around the position light message? What does it say exactly? Also, did they test your alternator? Has your CIM been replaced?
The position light failure says "Right rear position light failure". That's been happening for +1 year. The bulb is fine. Mechanic replaced the light module with a new one, but that didn't solve the problem. His thinking is that there is something wrong with the wiring that needs further investigation.

They haven't tested the alternator, though that was replaced about 6 months after I bought it which was in like 2011 (when the replacement happened). I'm guessing since I don't know what a CIM is or whether it's been replaced, that the answer to that is no.
HAHAHA best I've heard...
I'm an IT professional, so "magical services" and "automagical fixes" happen frequently in my area. I've been a bug owner / lover since forever, and "magical fixes / services" happen there too. You never know :D
The position light failure says "Right rear position light failure". That's been happening for +1 year. The bulb is fine. Mechanic replaced the light module with a new one, but that didn't solve the problem. His thinking is that there is something wrong with the wiring that needs further investigation.

They haven't tested the alternator, though that was replaced about 6 months after I bought it which was in like 2011 (when the replacement happened). I'm guessing since I don't know what a CIM is or whether it's been replaced, that the answer to that is no.
Yeah, I can't see the rear position error causing your cluster problems. Since they replaced the module I'd guess the wiring is shot. Seen it before.

The CIM is the Column Integration Module. Not a cheap part to replace.
Yeah, I can't see the rear position error causing your cluster problems. Since they replaced the module I'd guess the wiring is shot. Seen it before.

The CIM is the Column Integration Module. Not a cheap part to replace.
The steering column locking mechanism failed, so they replaced that along with the ignition switch that was failed. Is that the same thing?
The steering column locking mechanism failed, so they replaced that along with the ignition switch that was failed. Is that the same thing?
Different part. Scroll down.

http://www.thesaabsite.com/93new/Saab-93-steering.html#linkbar
Of course, the CIM for the 03 is not available...... ugh :(. This is almost like owning a 65-67 bug......

If the CIM was freaking out, would the computer be showing an error message?
Doesn't the radio control (ICM) or light up the dash and a few other bits? or was it the EHU... I'm not sure but I read something on one of those two while researching how to update my EHU's software. Correct me if I'm wrong.
Doesn't the radio control (ICM) or light up the dash and a few other bits? or was it the EHU... I'm not sure but I read something on one of those two while researching how to update my EHU's software. Correct me if I'm wrong.
There is a light sensor, but I don't think it's action would make the gauges fall to 0, but rather not light up appropriately.
It's just a hunch, but an inexpensive one to check: This sounds like an electrical connector not making full contact all the time. There's quite a few of them around the steering colunm/dashboarb.
I'm sure your mechanics are good ones but maybe a different set of eyes? I'm in SoCal too, have not yet had a reason for any major Saab specific mechanical services but I'm looking at The Swedish Mechanic as an option. Located in Irvine. I have not used them but they appear to be an enthusiast type of shop and experience with older vehicles.

Might be worth a call if you run out of options.

Good luck with your investigation.
There is a light sensor, but I don't think it's action would make the gauges fall to 0, but rather not light up appropriately.
Yeah, there's not a problem with the lights, but when the lights are on, like the gauges and SID shutting down, the lights on the console also go off. It's quite literally like if you took the key out / shut off the car but somehow driving, radio, and external lights (turn signals, head lights, tail lights, etc) all work.
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