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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1387 ((Audio (Radio) - Electrical Diagnostics) (ETM)) >> DTC Troubleshooting >> U1443-00-Cellular Signal Invalid >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC 

  1. Turn the ignition on.
  2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
  3. With the scan tool, read the Radio DTCs.

    Is the DTC active?

    Yes 

    • Check the cellular network availability and connectivity.

    No