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Memory Switch

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the X4 harness connector at driver door switch.
  2. Test for infinite resistance between the signal circuit terminal 5 and the 12 V reference circuit terminal 14 with the switch in the open position.
    • If not the specified value, replace the memory switch.
  3. Test the resistance between terminal 5 and terminal 14 while pressing the memory 1, memory 2, and EXIT buttons. Compare the resistance readings to the values in the Memory Switch Values table below.
    • If the resistance is not within the specified range, replace the memory switch.
Memory Switch Values

Switch Position Resistance
Idle Infinite
Memory 1 2.03 k - 2.49 kΩ
Memory 2 3.83 k - 4.69 kΩ
Exit 9.32 k - 10.18 kΩ
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