Is the keyless card on my 2007 CX-9 unreliable?

Is the keyless card on my 2007 CX-9 unreliable?

Recently my 2007 CX-9, luxury package AWD which I bought new, began having problems with the keyless card and is totally unreliable as it does not always (70% of the time) open or close the doors or even start the engine.The dealer ordered two new sets of cards, had them reprogrammed but to no avail. I have tried with new batteries also.

What should I do if my Mazda keyless entry goes dead?

If the system is deactivated, you will be unable to start the engine by carrying the key. Consult an expert repairer, we recommend an Authorised Mazda Repairer for details. If the advanced keyless entry system has been deactivated, you can start the engine by following the procedure indicated when the key battery goes dead.

Do you need a working Mazda remote key?

One working key is required for programming. NOTE: A maximum of 3 key remote transmitters can be programmed. Obtain all key remote transmitters. NOTE: Any existing key remote transmitters not used during programming will become inoperative. Remove key from ignition switch. Close all doors. Open driver’s door.

What to do if your keyless remote does not work?

If it worked, the interior car lights will go on and off. You may even hear the horn beep. If this did not work, then use the key to unlock the car. Get in it and drive it. Sometimes just having the key in it and driving it will reset the alarm. This will allow your keyless remote to start working.

How can I Fix my Mazda CX 9 keyless entry?

Inspect and repair the wiring harness between the keyless control module and the keyless receiver, then go to the next step. Remove the key from steering lock. Measure the pulse profile using an oscilloscope at the keyless control module terminal 3C while operating the transmitter (card key).

Can a Mazda advanced keyless entry system be deactivated?

The advanced keyless entry system functions can be deactivated to prevent any possible adverse effect on a user wearing a pacemaker or other medical device. If the system is deactivated, you will be unable to start the engine by carrying the key. Consult an expert repairer, we recommend an Authorised Mazda Repairer for details.

Why is my Mazda CX 9 lift gate not working?

Since the lift gate uses a separate button, the smart car may still be faulty. Start by disconnecting the battery. Hold your foot on the brake for 1 minute. This will reset the module. Clean and reconnect battery cable and recheck system operation of advanced keyless entry system.

What to do if your Mazda keyless remote is not working?

Simultaneously hold the open and the lock button down for 60 seconds. This should reset the system. If it worked, the interior car lights will go on and off. You may even hear the horn beep.