Circuit/System Verification
- Verify that all manual power seat and lumbar functions operate when being controlled by the seat adjuster and lumbar switches.
- If any seat function does not operate, refer to Power Seat Inoperative (Without Memory A45) or Power Seat Inoperative (With Memory A45) or Lumbar Support Inoperative (Without Memory A45) or Lumbar Support Inoperative (With Memory A45) .
- Verify that the memory recall personalization option is ON. Refer to the owners manual.
- Verify that memory positions for driver 1 and driver 2 have been recorded to memory by observing the scan tool Driver Position Module, Memory Data 1 and Memory Data 2 parameters.
- If the lumbar vertical motor operates normal, but the lumbar vertical memory function is inoperative, refer to DTC B1825, B1850, B1860, B2355, B2365, or B2375 and follow DTC B1860 diagnostic procedure.