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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 ((Totally Integrated Power Module (TIPM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1147-Additional Can Interior Ecu Detected >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THE VEHICLE REPAIR HISTORY 
    1. Check the vehicle repair history for any recent module replacements or additions.

      Have any modules been recently replaced or added?

      Yes 

      • Verify the appropriate installation and module initialization procedures were completed. Make sure any changes related to the sales codes associated with the vehicle or the vehicle configuration were correctly updated. Repair as necessary.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  2
  2. RESTORE THE VEHICLE CONFIGURATION 
    1. Turn the ignition on.
    2. With the scan tool, view the modules on the communication network. Read and record the listed modules or run a Vehicle Scan Report.
    3. With the scan tool, select TIPM, miscellaneous functions then Restore Vehicle Configuration.
    4. With the scan tool, erase DTCs.
    5. Cycle the ignition from on to off three times and read the active TIPM DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Retest system and attempt to reprogram the TIPM.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No