Diagnostic Test

WARNING: This page is about a different car, the 2017 Jeep Patriot and 2017 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE:
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

NOTE:
Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing.
1. Using the scan tool, read active DTCs.
  Is this DTC active?
  
  Yes
  - Go To 2
  No
  - Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
1. Using the scan tool, read all active DTCs from all modules.
  NOTE:
  Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.
  
  Does the scan tool display any active DTCs to the conditions listed above?
  
  Yes
  - Perform the appropriate diagnostic procedure.
  No
  - Go To 3
VERIFY THAT THE AWD IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. Using the scan tool, select ECU View.
3. Verify that the AWD is active on the bus.
  Is the AWD active on the bus?
  
  Yes
  - Go To 4
  No
  - Refer to NO RESPONSE FROM ALL WHEEL DRIVE CONTROL (AWD) MODULE and perform the No Response from AWD diagnostic procedure.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
1. Using the scan tool, select Network View and select Advanced.
  Is there more than one module with active DTCs "Logged Against" the AWD?
  
  Yes
  - Replace/update the All Wheel Drive Control (AWD) Module in accordance with the service information.
  - Perform the AWD-CONTROL MODULE VERIFICATION TEST. Refer to AWD CONTROL MODULE VERIFICATION TEST .
  No
  - Replace/update the module that set this DTC in accordance with the service information
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .