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Home >> Buick >> 2013 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 164 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3849 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the B27D door handle switch - driver exterior.
  2. With the switch in the open position, test for infinite resistance between the signal terminal 2 and the ground terminal 1.
    • If not the specified value, replace the B27D door handle switch - driver exterior.
  3. With the switch in the closed position, test for less than 5 Ω between the signal terminal 2 and the ground terminal 1
    • If greater than the specified range, replace the B27D door handle switch - driver exterior.