Diagnostic Test

CHECK FOR RELATED DIAGNOSTIC TROUBLE CODES
1. Turn the ignition on.
2. With the scan tool, read DTC's.
  Does the scan tool display any seat position sensor DTC's?
  
  Yes
  - Diagnose and repair the other DTC(s) first. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Diagnosis and Testing .
  No
  - Go to step 2
TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTC's
3. Move the Seat Switch in the Recliner position three times.
4. With the scan tool, read DTC's.
  Does the scan tool display B1D87-SEAT BACKREST MOTOR CONTROL CIRCUIT PERFORMANCE?
  
  Yes
  - Go to step 3
  No
  - The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE VOLTAGE

Fig 1: Checking Driver Seat Recliner Position Sense Voltage
Courtesy of CHRYSLER LLC
1. Disconnect the Driver Recliner Seat Adjuster Motor.
  NOTE: Check connectors - Clean and repair as necessary.
2. Move the Seat Switch in the Recliner position during the next step.
3. Using a 12-volt test light connect one lead to the (G403) Driver Seat Recliner Position Sense circuit and the other lead to Driver Seat Recliner Position Sensor Ground at the Driver Recliner Seat Adjuster Motor connector.
  Does the test light illuminate for approximately two seconds then turn off with the seat switch engaged?
  
  Yes
  - Go to step 4
  No
  - Go to step 5
CHECK THE DRIVER SEAT RECLINER FORWARD/REARWARD DRIVER VOLTAGE

Fig 2: Checking Driver Seat Recliner Forward/Rearward Driver Voltage
Courtesy of CHRYSLER LLC
1. Move the Seat Switch in the Recliner position during the next step.
2. Using a 12-volt test light connect one lead to the (P141) Driver Seat Recliner Up Driver circuit and the other lead to (P143) Driver Seat Recliner Down Driver circuit at the Driver Recliner Seat Adjuster Motor connector.
  Does the test light illuminate with the seat switch engaged?
  
  Yes
  - Replace the Recliner motor assembly in accordance with the Service Information.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
  No
  - Go to step 7
CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE WIRE FOR AN OPEN

Fig 3: Checking Driver Seat Recliner Position Sense Wire For An Open
Courtesy of CHRYSLER LLC
1. Disconnect the Memory Seat Module C2 connector.
  NOTE: Check connectors - Clean and repair as necessary.
2. Measure the resistance of the (G403) Driver Seat Recliner Position Sense circuit at the Driver Recliner Seat Adjuster Motor connector to the C2 connector.
  Is the resistance above 1.0 ohm?
  
  Yes
  - Repair the (G403) Driver Seat Recliner Position Sense circuit for an open.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
  No
  - Go to step 6
CHECK THE (G493) DRIVER SEAT RECLINER POSITION SENSOR GROUND FOR AN OPEN

Fig 4: Checking Driver Seat Recliner Position Sensor Ground For An Open
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (G493) Driver Seat Recliner Position Sensor Ground circuit at the Driver Recliner Seat Adjuster Motor connector to the C2 connector.
  Is the resistance above 1.0 ohm?
  
  Yes
  - Repair the (G493) Driver Seat Recliner Position Senor Ground circuit for an open.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
  No
  - Replace the Memory Seat Module in accordance with the Service Information.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
CHECK THE (P141) DRIVER SEAT RECLINER UP DRIVER WIRE FOR AN OPEN

Fig 5: Checking Driver Seat Recliner Up Driver Wire For An Open
Courtesy of CHRYSLER LLC
1. Disconnect the Memory Seat Module C2 connector.
  NOTE: Check connectors - Clean and repair as necessary.
2. Measure the resistance of the (P141) Driver Seat Recliner Up Driver circuit at the Driver Recliner Seat Adjuster Motor connector to the C2 connector.
  Is the resistance above 1.0 ohm?
  
  Yes
  - Repair the (P141) Driver Seat Recliner Up Driver circuit for an open.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
  No
  - Go to step 8
CHECK THE (P143) DRIVER SEAT RECLINER DOWN DRIVER FOR AN OPEN

Fig 6: Checking Driver Seat Recliner Down Driver For An Open
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (P143) Driver Seat Recliner Down Driver circuit at the Driver Recliner Seat Adjuster Motor connector to the C2 connector.
  Is the resistance above 1.0 ohm?
  
  Yes
  - Repair the (P143) Driver Seat Recliner Down Driver circuit for an open.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
  No
  - Replace the Memory Seat Module in accordance with the Service Information.
  - Perform POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .