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New batteries come fully charged. ...Unless they've been sitting on the shelf too long. Charge the battery and see how that affects the situation.

It's also possible that you have a parasitic drain that is killing your battery. Scotty Kilmer's personality can be a bit irritating, but this is the best way to test for a parasitic battery drain (Corvettes shouldn't be over 50 mA):


Most people recommend using a digital voltmeter and the current function, but if your drain is high that can blow the internal fuse in the voltmeter. This is not a standard fuse and costs around $5 to $10. Here is a link to a video that shows how to do this method:

 

Thanks Cliff. As always, informative and helpful.

I always read Cliff's replies, no matter what the subject. He's one of the guys that make this site what it is.

Thanks again,

Al

 

Had nothing to do with the fob. I did get a new battery once that tested fine but would always be dead after a couple days. It just couldn't hold a charge. Took it back and got a replacement, everything was fine.

 

So what does the fob do? Anyway,sounds like you might just have the system turned "off".

 

Does the hatch button work? If you hold the door button long enough you should get a clack-clack sound. Try holding the button down for 20 to 30 seconds until you hear that noise.

 

DON'T KNOW IF THIS IS RELATED, BUT YOU NEVER KNOW......


2008 Corvette Recall Announced
GM has announced a recall for certain 2008 Corvettes. On certain 2008 models, the keyless access system may become inoperative at times. The doors may not automatically lock or unlock, and the vehicle may not start. The Driver Information Center (DIC) will also display a "No Fobs Detected" message.

If this occurs to you, you can lock or unlock the doors by pushing the buttons on the keyless access transmitter. The vehicle can be started by placing the transmitter in the glove box transmitter pocket with the buttons facing towards the passenger's side. Then, with the vehicle in Park for an Automatic, press the brake pedal and the vehicle start button. If you have a manual transmission, press the clutch and start button.

The following VIN breaks (last 8 of the VIN) are affected: 85105302 to 85106987.

Schedule a repair with your dealer, do not just take your vehicle in - just in case they do not have the part available for your repair, because this will not be a quick repair. GM is estimating that it will take over an hour to repair the Remote Control Door Lock Receiver (RCDLR) which is what is at fault.

 

This would have absolutely nothing to do with his C4 fobs.
They are not even closely related to the newer C6 fobs.

 

Well, there are the obvious things; do the doors lock OK using the manual electric switch? Have you checked the three fuses? You could check the board in the fob and look for cracks or bad connections, especially around the door button.

After that my only thought is to check the PKE codes. The attached file is for a 93.