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My 2008 Solstice with 22000 miles was fine when I parked it at night. Next morning went out to drive it to the gym and the first thing I noticed was my key fob wouldn't unlock the door. Tried my wife's fob and same thing. When I started to drive away I noticed that the tire indicator light was on and it wouldn't show what the tire pressure was. I verified with a tire gauge at home and they were all inflated correctly. Also I noticed that my XM radio station wouldn't come in, received a message "not available", local stations worked fine and my XM membership is paid up until next year. Any ideals?
 

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Hello

Welcome to the forum

If it were just the key fob issue, I would recommend that you look at the solder joints on the battery retainer clip. They are known to fail and are easily repaired.

However when you mentioned the other issues, it looks like low voltage.

The cars are fly by wire, but for a few mechanical systems everything on the car is controlled and / or monitored electronically by the ECM, BCM etc via on board bus communications.

When the battery voltage drops, either because of connectivity issues at the battery terminals or usually at the engine ground strap on the left front of the engine, or just because the battery is not fully charged then the car will start and run but not all the subsystems on the car will boot up properly. And you can and generally will get a number of seemingly random issues.

For example, when you start the car, the satalite radio box does not see enough voltage to boot up properly, but the radio does. So the radio boots and does not see the satalite radio receiver box and assumes that its not available.

Since your car is an 08, it is highly likely that the battery is failed or is failing.

This spring the batteries in my 07 Sol and 08 Sky both failed. They did a soft failure, in that the cars would start and operate, but they would experience random "failures" that were attributable to the low voltage.

Check the battery first.
 

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Radsjg,

I am sorry to hear you are having these concerns. I would like to look into this further. Please private message me your name, VIN, phone number, and dealership. I look forward to hearing from you.

Erica Tiffany
GM Customer Care
 

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Yeah I was lucky too Rob but I know a lot were not. By the time my car was built late in the model year, the problem was resolved.
 

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Hello

Welcome to the forum

If it were just the key fob issue, I would recommend that you look at the solder joints on the battery retainer clip. They are known to fail and are easily repaired.

However when you mentioned the other issues, it looks like low voltage.

The cars are fly by wire, but for a few mechanical systems everything on the car is controlled and / or monitored electronically by the ECM, BCM etc via on board bus communications.

When the battery voltage drops, either because of connectivity issues at the battery terminals or usually at the engine ground strap on the left front of the engine, or just because the battery is not fully charged then the car will start and run but not all the subsystems on the car will boot up properly. And you can and generally will get a number of seemingly random issues.

For example, when you start the car, the satalite radio box does not see enough voltage to boot up properly, but the radio does. So the radio boots and does not see the satalite radio receiver box and assumes that its not available.

Since your car is an 08, it is highly likely that the battery is failed or is failing.

This spring the batteries in my 07 Sol and 08 Sky both failed. They did a soft failure, in that the cars would start and operate, but they would experience random "failures" that were attributable to the low voltage.

Check the battery first.

I am experiencing what I think may be the same issue. The key fobs do not work, the boot will not open, the radio/stereo is completly not working not even getting power, the blinkers work but no sound when they flash. Checked fuses and they all seemed fine and disconnected the negative battery cable for about 30 minutes to see if that would reboot but no success. So you think if I change or charge the battery and take it to a GM dealer to reset the system these troubles will go away?
thank you in advance...
 
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