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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Radio Frequency Module (RF Hub) - DTCS B1A74-11 To C0077-00) >> DTC Troubleshooting >> B22A9-00-Ecu Internal Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR RELATED DTCS 
    NOTE:

    Verify that the battery is fully charged with a DVOM and use the scan tool to compare the Battery Voltage listed under "Data" in the RFH View to that of the BCM. If the battery is not fully charged, correct this condition before proceeding.

    1. Press 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 RFHM DTCs.

      Does the scan tool display any passive entry antenna, battery voltage, or system voltage DTCs?

      Yes 

      • Diagnose and repair the other DTCs in this module before proceeding.

      No 

      • Go To  2
  2. RADIO FREQUENCY HUB MODULE 

    Is the DTC active?

    Yes 

    No