Diagnostic Test

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR RELATED DTCS
1. With the scan tool, read Memory Seat Module-Driver (MSMD) DTCs and record on the repair order.
2. Record the DTC Environmental Data.
  Does the scan tool display any seat position sensor or circuit performance DTCs?
  
  Yes
  - Repair the MSMD DTC(s). Refer to DIAGNOSTIC CODE INDEX .
  No
  - Go To 2
CHECK THE SEAT TRACK FOR DAMAGE OR OBSTRUCTIONS
1. Check the seat track for any obstructions or damage that may inhibit seat movement.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to POWER SEAT SYSTEM VERIFICATION TEST .
  No
  - Go To 3
CHECK FOR AN ACTIVE DTC
1. With the scan tool, perform the MSMD Standardization Routine.
2. Turn the ignition off.
3. Turn the ignition on.
4. With the scan tool, erase MSMD DTCs.
5. Turn the ignition off.
6. Turn the ignition on.
7. Move the seat in the full forward horizontal position.
8. With the scan tool, read MSMD DTCs.
  Did the DTC return?
  
  Yes
  - Go To 4
  No
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to POWER SEAT SYSTEM VERIFICATION TEST .
  - Test complete
CHECK RELATED HARNESS CONNECTIONS
1. Turn the ignition off.
2. Disconnect all MSMD harness connectors.
3. Disconnect all related in-line harness connections (if equipped).
4. Disconnect the related component harness connectors.
5. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Repair any conditions that are found.
6. Reconnect all MSMD harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
9. With the scan tool, erase DTCs.
10. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
11. With the scan tool, read MSMD DTCs.
  Did the DTC return?
  
  Yes
  - Replace and program the Memory Seat Module-Driver (MSMD) in accordance with the Service Information. Refer to MODULE, MEMORY SEAT (MSM), REMOVAL AND INSTALLATION .
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to POWER SEAT SYSTEM VERIFICATION TEST .
  No
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to POWER SEAT SYSTEM VERIFICATION TEST .
  - Test complete.