Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read DTCs and record on the repair order.
2. Record the Environmental Data.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read Drivetrain Control Module (DTCM) DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE ELECTRICAL CONNECTIONS AT THE POWER TRANSFER UNIT (PTU) AND REAR DRIVELINE MODULE (RDM)
1. Check the electrical connections at the PTU and RDM for corrosion, bent terminals, or other damage.
  Are the electrical connection in good working order?
  
  Yes
  - Go To 3
  No
  - Repair the connections as necessary.
  - Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
ERASE DTCS AND PERFORM THE SCAN TOOL "ON DEMAND SELF TEST"
1. With the scan tool, erase the DTCs and perform the On Demand Self Test procedure.
  Did any additional DTCs set?
  
  Yes
  - Perform the appropriate diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
  No
  - Go To 4
REPLACE THE PTU ACTUATOR AND CHECK FOR THE DTC TO RETURN
1. Replace the PTU Actuator in accordance with the Service Information. Refer to ACTUATOR, SHIFT, REMOVAL AND INSTALLATION .
2. With the scan tool, erase DTCs.
3. Operate the vehicle within the conditions that set the DTC or use the When Monitored Conditions.
4. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Go To 5
  No
  - Replacing the PTU Actuator corrected the condition.
  - Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
REPLACE THE DTCM AND CHECK FOR THE DTC TO RETURN
1. Replace the DTCM in accordance with the Service Information. Refer to MODULE, DRIVETRAIN CONTROL (DTCM), REMOVAL AND INSTALLATION .
2. With the scan tool, erase DTCs.
3. Operate the vehicle within the conditions that set the DTC or use the When Monitored Conditions.
4. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Replace the RDM in accordance with the Service Information. Refer to REMOVAL AND INSTALLATION .
  - Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
  No
  - Replacing the DTCM corrected the condition.
  - Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .