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. Turn the ignition on.
3. Move the Seat Switch in the recliner position three times.
4. With the scan tool, read MSMD DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT
1. Turn the ignition off.
2. Disconnect the Driver Seat Recliner Adjuster Motor harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (G403) Driver Seat Recliner Position Sense circuit.
  Is the voltage above 11.0 volts?
  
  Yes
  - Replace the Power Seat Back in accordance with the Service Information. Refer to DESCRIPTION .
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the MSMD C4 harness connector.
3. Measure the resistance between ground and the (G403) Driver Seat Recliner Position Sense circuit.
  Is the resistance below 100K Ohms.
  
  Yes
  - Repair the (G403) Driver Seat Recliner Position Sense circuit for a short to ground.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
MEMORY SEAT MODULE (MSMD)
1. Using the wiring diagram/schematic as a guide, inspect the wiring and harness connectors between the Driver Seat Recliner Adjuster Motor and the MSMD.
2. Look for any chafed, pierced, pinched, or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the Driver Seat Recliner Adjuster Motor and MSMD harness connectors.
4. Perform any Technical Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace and program the MSMD in accordance with the Service Information. Refer to MODULE, MEMORY, REMOVAL .
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .