Diagnostic Test

WARNING: This page is about a different car, the 2015 Chrysler 300. 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 Memory Seat Module-Driver (MSMD) DTCs and record on the repair order.
2. With the scan tool, erase MSMD DTCs.
3. Turn the ignition off.
4. Turn the ignition on.
5. Move the Seat Switch in the front vertical position multiple times.
6. With the scan tool, read MSMD DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Go To 5
CHECK THE (G404) DRIVER SEAT FRONT VERTICAL POSITION SENSE CIRCUIT
1. Turn the ignition off.
2. Disconnect the MSMD C5 harness connector.
3. Check for continuity between ground and the (G404) Driver Seat Front Vertical Position Sense circuit at the MSMD C5 harness connector.
  Is there continuity between ground and the (G404) Driver Seat Front Vertical Position Sense circuit?
  
  Yes
  - Go To 3
  No
  - Go To 4
CHECKING THE (G404) DRIVER SEAT FRONT VERTICAL POSITION SENSE CIRCUIT FOR A SHORT TO GROUND
1. Disconnect the Driver Seat Front Vertical Adjuster Motor harness connector.
2. Check for continuity between ground and the (G404) Driver Seat Front Vertical Position Sense circuit at the MSMD C5 harness connector.
  Is there continuity between ground and the (G404) Driver Seat Front Vertical Position Sense circuit?
  
  Yes
  - Repair the (G404) Driver Seat Front Vertical Position Sense circuit for a short to ground.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Power Seat Track in accordance with the Service Information. Refer to DESCRIPTION .
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
MEMORY SEAT MODULE (MSMD)
1. Using the schematics as a guide, inspect the wiring and connectors between the Driver Seat Front Vertical Adjuster Motor and the MSMD.
2. Check for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out or corroded terminals and correct pin tension.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace and program the Memory Seat Module (MSMD) in accordance with the Service Information. Refer to MODULE, MEMORY, REMOVAL .
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE 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. Wiggle the wiring and connectors while checking for shorted and open circuits. Attempt to reproduce the condition by adjusting the seat.
3. Check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
4. Check Service Bulletins for any possible causes that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.