Diagnostic Test

WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

POWERTRAIN DTCS PRESENT
1. Ignition on.
2. With the scan tool, read DTCs in the Powertrain Control Module.
  Are there any active DTCs present?
  
  Yes
  - Refer to the symptom list and perform the applicable diagnostic procedure.
  - Perform TRANSFER CASE VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Standard Procedure .
  No
  - Replace the Final Drive Control Module (FDCM) in accordance with the Service Information.
  - Perform TRANSFER CASE VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Standard Procedure .