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Home >> Chrysler >> 2025 >> Pacifica Plug-In Hybrid Pinnacle >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio (Radio) - DTCS B1400-11 To B143A-11 >> DTC Troubleshooting >> B1431-00 BLUETOOTH Antenna Internal Performance >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on and open one of the front doors.
      NOTE:

      A front door must remain open whenever checking or erasing Radio DTCs. 

    2. With the scan tool, perform an ECU reset to the Radio, and then erase DTCs.
    3. Turn the ignition off for a minimum of 10.0 seconds.
    4. Turn the ignition on.
    5. Adjust the speakers to the front and center.
    6. With the scan tool, read Radio DTCs.

      Did the DTC return?

      Yes 

      • Go To  2

      No 

  2. CHECK THE BLUETOOTH CABLE AND CONNECTIONS 
    1. Turn the ignition off.
    2. Inspect the Bluetooth cable connection at the rear of the Radio.
    3. Inspect the Bluetooth cable connection at Bluetooth/WiFi Antenna.
    4. Inspect the Bluetooth cable for damage or an open or shorted condition.

      Were any problems found?

      Yes 

      • Repair or replace the Bluetooth antenna cable or connection as needed.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. TEST THE BLUETOOTH ANTENNA 
    1. Connect the 9977-6-WiFi BT test antenna.

      (special tool #9977-6-WiFi-BT, Antenna, WiFi Blue Tooth)

    2. Turn the ignition on.
    3. With the scan tool, perform an ECU reset to the Radio, and then erase DTCs.
    4. Turn the ignition off for a minimum of 10.0 seconds.
    5. Turn the ignition on.
    6. Adjust the speakers to the front and center.

      Is the DTC active?

      Yes 

      No