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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 ((Radio Frequency (RF Hub) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> B1A11-00-RKE Fob 2 Battery Low >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION 

NOTE:

Verify that the vehicle's 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 vehicle's battery is not fully charged, correct this condition before proceeding.

NOTE:

Verify that the FOBIK in use is the FOBIK causing the DTC to set.

NOTE:

All FOBIKs used with this vehicle should be present during this test.

  1. With one of the owners known good FOBIKs in the vehicle, cycle (or press the KIN button with Keyless Go) the ignition on.
  2. Using the scan tool, record and erase the DTCs.
  3. Cycle the ignition off.
  4. From inside the vehicle, operate the alleged inoperative FOBIK in all positions several times.
  5. Cycle the ignition on.
  6. Using the scan tool, read the active DTCs.

    Does the scan tool display: B1A11-00-RKE FOB 2 BATTERY LOW as active?

    Yes 

    • Replace the FOBIK battery. Test the FOBIK using the (special tool #9001, Rf Detector). If the Strength Display does not display "Strong", replace and program the FOBIK using the scan tool.

    No 

    • Test complete. The conditions that caused this code to set are not present at this time.
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