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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B2482 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the OnStar button assembly.
  2. Ignition ON, test for less than 1 volt at the keypad signal terminal 11.
    • If greater than specified value, test the circuit for short to voltage. If the circuit tests normal, test or replace the VCIM.
  3. Test for less than 1 ohm of resistance between the VCIM and OnStar button assembly.
    • If greater than specified value, test the circuit for open/high resistance, or for short to ground.
  4. If the circuit tests normal, test or replace the OnStar button assembly.
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