2 way lumbar switch
Ram technical service bulletin 9100855 for 2025 Ram 1500.
- Bulletin number
- 9100855
- Component
- Seats
- Summary
- 2 WAY LUMBAR SWITCH If the Driver Seat Lumbar Support is inoperative, stuck, or not responding as expected, obtain the following information from the customer prior to replacing the lumbar switch: 1.Which lumbar function is not operating properly? -Inflate (Extend) -Deflate (Retract) -Both directions 2.Is the concern constant or intermittent? 3.If intermittent, how often does it occur? -Daily -Weekly -Randomly 4.Is the lumbar support stuck in the extended or retracted position? -Extended -Retracted -Neither 5.Does the lumbar support respond after pressing the switch multiple times? -Yes / No 6.Does the concern occur only while driving, only at key-on, or while the vehicle is parked? 7.Has the concern occurred after the vehicle has been sitting for an extended period (overnight or several hours)? -Yes / No 8.Is the lumbar switch physically sticking or binding in either direction? -Yes / No 9.Has the lumbar switch, seat assembly, or lumbar support assembly been previously repaired or replaced? -Yes / No Before replacing the lumbar switch, verify proper power and ground, connector engagement, wiring integrity, and inspect for damaged harnesses, disconnected components, or signs of physical damage/abuse. If no external issues are identified, verify lumbar motor operation and related circuits prior to replacing the lumbar switch.
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