Question about 1996 Saab 900

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Central Locking Since the winter of 2008, the vehicle's door locks no longer all lock at once. No matter if the key is used, or any of the interior door lock buttons are pushed or pulled. The doors WILL lock but each lock now needs to be activated separately from each door or in the case of the front doors, from the key. Fuses appear good and substitutions were made to verify the condition. The problem developed slowly during the very cold winter. Sometimes, all doors would lock, sometimes 2 or 3 would lock and sometimes only one. Now, just the door having the key lock or if inside, the lock buttons on each door. So far I've been told it COULD be the locking motors but I have difficulty believing all failed at once.

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  • Tom May 31, 2009


    Since all the doors will not unlock electrically, I will assume your answer is the most likely.

    Where is the Central Locking Electronic Control Module physically located?

    This is a 1996 Saab Turbo, 5-door model.

    I THOUGHT it was on the passenger side under the dash, but I don't see it there. Of course, I haven't taken the dash apart. I thought it would be easily accessible.


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When you use your remote or insert your key in the Drivers Front door all the door locks should work at the same time by the door lock motors electrically. If you have to manually unlock the door because it will not lock or unlock by the lock motor, you need a door lock motor. The drivers and passengers front door can unlocked with the key manually. The rear doors you have to pull up the latch. If no doors unlock electrically with the remote or drivers door lock, intermittantly or all the time, you will need a Central Locking Electronic Control Module. You will hear the "beep" but no door locks will fire at all. If you have odd door locks not working intermittantly you need a new door lock motor for each door lock that malfunctions. You can hear of the door locks are working electrically. Yes, they are common problem. If you can hear the door lock working but the door still doesn't unlock you need to take the door panel off and lubricate the door latch assembly and work the lock, loosening it up. This is common as well.

Posted on May 31, 2009

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