Circuit/System Verification
- Verify that all manual power seat and lumbar functions operate when being controlled by the seat adjuster and lumbar switches.
- 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.