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Home >> Chrysler >> 2002 >> PT Cruiser Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Body Control Modules) >> System Tests >> Power Door Locks/Remote Keyless Entry System >> One Door Failing To Lock/Unlock From Any Switch
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One Door Failing To Lock/Unlock From Any Switch

WARNING: This page is about a different car, the 2002 Dodge Ram Wagon, 2002 Dodge Ram Van, 2001 Dodge Ram Wagon, and 2001 Dodge Ram Van. However, it is still accessible from the selected car via links, so may be relevant.

Possible Causes:

  1. Open Door Lock Driver Circuit
  2. Open Door Unlock Driver Circuit
  3. Door Lock Motor

Testing

  1. Remove door panel from door failing to lock or unlock. See appropriate procedure under REMOVAL & INSTALLATION  . Disconnect suspect door lock motor 2-pin connector. Connect a test light between ground and door lock driver circuit at door lock motor 2-pin connector. Turn ignition on. Using scan tool, actuate door lock relay while monitoring test light. If test light does not illuminate, repair open in door lock driver circuit. If test light illuminates, leave door lock motor 2-pin connector disconnected and go to next step.
  2. Connect test light between ground and door unlock driver circuit at door lock motor 2-pin connector. Using scan tool, actuate door unlock relay while monitoring test light. If test light illuminates, replace door lock motor. If test light does not illuminate, repair open door unlock driver circuit.
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