Diagnostic Test
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- Using the scan tool, record and erase DTCs.
- Move the seat switch front vertical position three times.
- Using the scan tool, read DTCs.
Does the scan tool display B1D72-SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH?
Yes
- Go to step 2
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 (G404) DRIVER SEAT FRONT VERTICAL POSITION SENSE VOLTAGE
- Disconnect the Front Driver Vertical Seat Adjuster Motor.NOTE: Check connectors - Clean and repair as necessary.
- With the scan tool erase DTCs
- Move the seat switch in the both front vertical positions three times.
- Using the scan tool, read DTCs.
Does the same DTC reset?
Yes
- Inspect the position sense wire for a possible short to another circuit, if OK replace the Memory Seat Module in accordance with the Service Information.
- Perform the POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
No
- Inspect the position sense wire for a possible intermittent short to another circuit, if OK replace the Front Driver Vertical Seat Adjuster Motor assembly in accordance with the Service Information.
- Perform the POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
- Disconnect the Front Driver Vertical Seat Adjuster Motor.