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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2625 >> Circuit/System Testing
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Circuit/System Testing

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  1. Ignition OFF, park lamps OFF, disconnect all the LED indicator dimming supply circuit lamp components on the circuit. Verify DTC B2625 does not set.
    • If the DTC resets, test for a short to voltage, short to ground, or an open in the LED indicator dimming supply voltage circuit. If the circuit/connections test normal, replace the BCM, driver door switch, and passenger door switch as applicable.
  2. Reconnect each component one at a time and test for the DTC B2625.
    • If the DTC resets, replace that particular component.
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