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Home >> Buick >> 2011 >> Regal CXL >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B2485 >> Circuit/System Testing

Circuit/System Testing

  1. Replace the T4S Wireless Communication Antenna - Bluetooth.
  2. Clear the DTCs and operate the vehicle within the conditions for running the DTC. Verify DTC B2485 does not set.
    • If the DTC sets, replace the T4S Wireless Communication Antenna - Bluetooth.
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