How do you repair the automatic door locks on a 96 Honda Odessey? They make clicking noises after locking the door. the key is worn and I cannot unlock the drivers side door.

The motor is weak/worn out. Replace it.

Check the ignition key switch located at the back of the key lock mechanism. The electrical contacts in the switch may already be worn out.

You will need to replace the lock cylinder on the car, it comes as lock cylinder kit.

is the switch turning all the way to the lock position? the doors want lock if the BCM shows a circuit is not turned off as if the key is still in the ignition. had a similar problem on an Acura.

Are you check keyfob battery? Its possible that you will need reporgraming after replaced.

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I would check the actuator, located inside the door panel

I have same problems on 2003 model. considering addding remote keyless power locks to avoid costly repair.

Is it the automatic door?If it is check the fuses

The lock is not worn out, dirt has built-up inside because of the design of the key. The key is not open and self-cleaning like most keys, therefore, it push dirt and contamination into the cylinder. This results in burrs forming and blocking the key. I have had the driver side door cylinder replaced twice and repaired once. The passenger side cylinder has been repaired once and replaced once. Honda has been of little help. I've written them two letters and as a result, out of the kindness of their heart, they covered the replacement of the first cylinder on the passenger side. Recently, I contacted a local independent repair shop that I often use and, after talking to a Honda repair Mgr, they were able to take the cylinders in both doors out for cleaning and deburring for less than a third of the cost from a Honda shop. No new parts were required. Right now both locks are working fine.

Take a can of WD40 (the newer can) with the spray straw...carefully insert the straw into the key hole as far as you can...spray and use the key to turn the assembly..lock and unlock several times CAREFULLY so you don't break off the key..sounds like you just need a little lube on the lock assembly.

I hope this helps you and your son