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Circuit/System Testing

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, verify the scan tool Driver Door Switch Memory Recall Switches parameter is approximately 2.75 volts while pressing the memory 1 switch.
    • If not the specified value, refer to the Component Testing  for Memory Switch component test. If the switch tests normal, replace the driver door switch (DDS).
  2. Verify the scan tool Memory Recall Switches parameter is approximately 1.75 volts while pressing the memory 2 switch.
    • If not the specified value, test or replace the memory switch.
  3. Verify the scan tool Memory Recall Switches parameter is approximately 1.0 volt while pressing the EXIT switch.
    • If not the specified value, test or replace the memory switch.
  4. If all circuits test normal, replace the MSM.
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