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Home >> Chevrolet >> 2012 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> External Pages >> Different car >> Section 1921 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2485 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 GMC Savana Special, 2011 GMC Savana Camper Special, 2011 GMC Savana, 2011 Chevrolet RV Cutaway, and 2011 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the Bluetooth ® antenna is properly connected to the CIM and is not damaged.
    • If the antenna is disconnected or damaged, repair or replace as necessary.
  2. Ignition ON, verify the DTC B2485 is not set.
    • If the DTC is set, replace the Bluetooth ® antenna. Clear the DTC and cycle the ignition OFF then back ON. If the DTC resets as current, replace the CIM.
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