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Home >> Buick >> 2016 >> Verano Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Object Detection System - Park Assist System) >> Diagnostic Information and Procedures >> DTC B356A: Vehicle Direction Warning Switch Circuit Short to Ground >> Component Test

Component Test

WARNING: This page is about a different car, the 2015 Buick Verano. 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 S48A Multifunction Switch - Instrument Panel.
  2. Test for infinite resistance between the control circuit terminal 6 and ground circuit terminal 7.
    • If less than infinite resistance 

      Replace the S48A Multifunction Switch - Instrument Panel.

    • If infinite resistance 
  3. Test for less than 10 Ω between the control circuit terminal 6 and ground circuit terminal 7 while pressing the lane departure warning switch.
    • If 10 Ω or greater 

      Replace the S48A Multifunction Switch - Instrument Panel.

    • If less than 10 Ω 
  4. All OK.
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