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 IF DTC IS CURRENT
1. With the scan tool, read TCM DTCs.
2. Record the Environmental Data and any DTCs.
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 TCM DTCs.
  Did the DTC reset?
  
  Yes
  - Go to 2
  No
  - Go to 4
CHECK FOR OTHER DTCS
1. With the scan tool, read BCM and TCM DTCs.
  Are any ESM, TRS, or other related DTCs set?
  
  Yes
  - Perform the appropriate diagnostic procedure in accordance with the Service Information.
  - Perform the Transmission Verification Test. Refer to TRANSMISSION VERIFICATION TEST - 948TE 9HP48 .
  No
  - Go to 3
INSPECT MECHANICAL SHIFT LINKAGE
1. Inspect the mechanical Shift Linkage, Transmission Range Switch (TRS), and Electronic Shift Module (ESM) for damage and proper connections.
  Was any damage or improper connections found?
  
  Yes
  - Perform the appropriate repair procedure in accordance with the Service Information.
  - Perform the Transmission Verification Test. Refer to TRANSMISSION VERIFICATION TEST - 948TE 9HP48 .
  No
  - Repair Transmission mechanical problem. Refer to DIAGNOSIS AND TESTING .
CHECK WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle the wires while checking for shorted and open circuits.
4. Check for any Service Bulletins that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the Transmission Verification Test. Refer to TRANSMISSION VERIFICATION TEST - 948TE 9HP48 .
  No
  - Test complete.