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.
- CONTROL MODULE PROGRAMMING ERROR NOTE: Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.
- Record the controller part number.
- Update the controller with the correct software in accordance with the Service Information.
Verify that the controller updated successfully.
- Perform 42RLE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure