working in the engine today checking fuel pressure...the door locks cycled 5 or 6 times for no reason and when I went to lock or unlock with the keyfob nothing...alarm doesn't work either...tried the spare fob...same result...I cannot confirm batteries are good in either but the one on the keychain seemed to work minutes before...any known issues?

 

Check the battery before you chase other issues.

 

Is it the factory alarm ? my guess would be yes , did you unhook the battery ?

 

I replaced the batteries in the key fob. No help. The main battery is fully charged...you want me to disconnect it for a while and reconnect to see what happens.? Yes orig factory alarm one button to unlock all one button to lock all and then the horn beeps...the doorlocks all work from the door switch...nothing from the remotes. I already disconnected the circuit board in the over head light box and reconnected it

 

Key switch on the back of the front door locks are a known issue. they can stick or break in either the locked or unlocked position, affecting the security system, lights, ..everything you might think is connected to the locking or unlocking.

 

Ok when it warms up I will pull the door covers and check out those switches Having trouble finding the correct wiring print..Alarm and antitheft doesn't seem to show what I need....I don't think an alarm/key fob is wireless entry and door locks only show the locking from the door switches ...which all works. Im assuming the key fob pushbutton triggers a relay that I cant locate in any print