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Old May 24, 2020 | 12:56 AM
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zip439
Senior Member
Joined: Jul 2010
Posts: 2,261
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From: SE Alabama
Default Re: Key fob not working

Pave086 you may have a problem with the immobilizer.
1. The FOB should show a red blink light when you push the lock unlock button. No blink of the red light on the front of the FOB means there is a problem with the batteries in the FOB. If the FOB has no electric power from the batteries in the FOB it can not transmit a signal to lock or unlock the doors.
2. Even with no batteries in the FOB you should be able to start the car.

There are basically three conditions when car won't start. a) car will crank (starter engages and turns engine over), but doesn't start - fuel or spark problem,
b) no crank, and no start -Relay Control Module or pulse module problem c) crank and starts, but dies 2 times, then nothing - immobilizer SKREEM problem

Is the starter engaging and trying to start the car? YES or NO ? If, NO then you should disconnect the cars main battery negative cable for about one minute and then reconnect it. Try to start the car again. Does the car crank, start briefly and dies twice, like c above?
Hope this helps. Language differences makes understanding difficult.
 
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