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.

TRANSMISSION DTCS PRESENT
1. Ignition on, engine not running.
2. With the scan tool, read DTCs in the Transmission Control Module.
  Are there any DTCs present?
  
  Yes
  - Perform the appropriate diagnostic procedure. Refer to DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Diagnosis and Testing .
  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 .