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Author Topic: Original car stereo (Aztek 2005) started turning off/on, aparently randomly  (Read 464 times)
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rmeza1
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« on: June 21, 2018, 05:45:33 PM »

Hello friends,

Recently my original car stereo (Aztek 2005) started turning off/on, aparently on a random basis.

If the stereo was "ON" at the moment the issue occured, it will return to the current radio station that was being tuned, and there's no memory reset, it keeps the stations preset in memory, only the clock gets deleted on each cycle, showing 12:00.

If the stereo was "OFF", it stays off, and the same behaviour occurs.

According to your expertise, these anomaly can be fixed ?, it's related to the car stereo ?

Thank you for your help and time,

Regards,
Rafael M.
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lonewolf04
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« Reply #1 on: June 25, 2018, 01:01:59 PM »

When you say it is turning off. Does it display 'Locked' on the radio? Any other warning lights come on with the dash?
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rmeza1
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« Reply #2 on: June 27, 2018, 12:25:38 PM »

Hello,

No warning lights, just the display goes blank for a second, then comes back showing 12:00, and you can hear a few clicks like if it was checking the disks trays.

Thank's for your help.
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rmeza1
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« Reply #3 on: July 05, 2018, 04:21:47 PM »

Hello friends,
Anyone has the same or similar issue ? ...
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Pontiac6KSTEAWD
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« Reply #4 on: September 03, 2018, 11:46:23 AM »

Thats a uncommon problem, but I have heard of it before. I will see if I can find the repair process.

I could be wrong, but I think it involves either just replacing the radio, or something with the BCM. Will let you know if I find it.
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Brian - Carpe Diem

01 Pontiac Aztek GT OPT AWD 110k - 04 GMC Envoy XUV 150k

Pontiac6KSTEAWD
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« Reply #5 on: September 03, 2018, 12:00:00 PM »

After a bit of quick digging around...

Do all your interior lights work? Check fuses
Do your front and rear cigarette lighter ports work? Check fuses
Has the radio ever been replaced? I know you said it was the original radio, but you never mentioned if you were the original owner. Sometimes when people replace radios, they cut the harness off to replace the radio. Then wire back in the original harness when they sell the truck with the original radio. The butt connectors used, if not properly tight, can short out.
How is the battery? Take it to AutoZone/Advance and get it checked. An internally shorted battery will cause this problem. The radio pre-sets are stored on a chip, and are not affected by low voltage, clock is.
How is the alternator? Take it to AutoZone/Advance and get it checked. If the brushes are bad it can cause a electrical spike. The radio pre-sets are stored on a chip, and are not affected by low/high voltage, clock is.
Has your trucks ECM/BCM been updated? There was a glitch in the firmware that caused this problem for some years.

Thats what I found so far...
« Last Edit: September 03, 2018, 12:01:26 PM by Pontiac6KSTEAWD » Logged

Brian - Carpe Diem

01 Pontiac Aztek GT OPT AWD 110k - 04 GMC Envoy XUV 150k

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