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Home › Cadillac › 2007 › Escalade EXT › Repair and Diagnosis › Accessories & Equipment › Entertainment Systems › Cellular System, Entertainment System, And Navigation System › Diagnostic Information and Procedures › DTC B1287 › Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, test the remote radio control signal circuit for an open, a short to voltage, or a short to ground.
    • If the circuit tests normal, replace the radio.
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