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Home >> Cadillac >> 2007 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2610 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. With a scan tool clear the DTC.
  2. Ignition OFF, disconnect the harness connectors at the components fed by the I/P lamps dimmer switch control circuit.
  3. Operate the vehicle within the conditions for running the DTC and verify the DTC does not reset.
    • If the DTC resets, test the LED backlight dimming control circuit for a short to ground. If the circuits test normal, replace the BCM.
  4. Reconnect each component one at a time and verify that the DTC does not reset as current.
    • If the DTC resets as current, test or replace the component responsible for setting the DTC.
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