Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Dakota. 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.
1. With the scan tool, read active DTCs.
  Is this DTC active?
  
  Yes
  - Go To 2.
  No
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
1. With the scan tool, read active DTCs from all modules.
  NOTE:
  Check for FCM 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
  - Go to DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
  No
  - Go To 3.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
1. With the scan tool, select Network Diagnostics.
  Is there more than one module with active DTCs "Logged Against" the Front Control Module?
  
  Yes
  - Go to DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
  No
  - Go To 4.
RESET/RECONFIGURE THE FRONT CONTROL MODULE
1. Turn the ignition on.
2. With the scan tool, select ECU View. This will list the modules on the vehicle. Read and record the listed modules.
  NOTE:
  A Scan Report will list all the modules on the vehicle.
3. With the scan tool, select the FCM and then press Miscellaneous Functions.
4. Press Reset ECU.
5. Cycle the ignition from on to off 3 times and read the active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Retest the system and attempt to reset the FCM. If the DTC remains active replace the Front Control Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair is complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .