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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2610 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connectors at all components fed by the instrument panel lamp supply voltage circuit.
  2. Ignition ON, clear the DTC with a scan tool.
  3. Operate the vehicle within the conditions for running the DTC and verify the DTC does not reset.
    • If the DTC resets, test the instrument panel lamp supply voltage circuit for a short to ground. If the circuit tests normal, replace the BCM.
  4. Reconnect each component one at a time and verify that the DTC does not reset.
    • If the DTC resets, test or replace the component responsible for setting the DTC.
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