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Taurus, Kia Rio, Honda CB350
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Discussion Starter #1
My son's 03 Optima just had a power door lock failure. The auto unlock via key and also via driver's door button no longer function. The lock part works, just unlock stopped. We had to replace the entire driver's door switch assemble last year after everything stopped working.
When you push the door switch to unlock you hear a faint click that sounds like the solenoids in the doors are trying to activate but they do not unlock. The switch does lock the doors. So my diagnosis at this time is the switch is functional, the fuse is OK.
Any suggestions of what to check next?
 
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