Service bulletin 08-123-25 REV. B
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11020829 |
| Published by NHTSA | 2025-07-23 |
| Manufacturer's number | 08-123-25 REV. B |
| Manufacturer's date | 2025-07-16 |
| NHTSA component | SEATS |
NHTSA's summary
NOTE: Does not apply to vehicles built for US Market. Lumbar Seat Inoperable Customers may experience the following: ● All lumbar seat controls inoperable. This bulletin involves updating the radio software level from 31.42 to U35.26.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Seats
| RAM 1500 | 2025 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2026371 | 2026-07-30. Seats And Restraints |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 9100855 | 2026-07-18. Service bulletin. 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. |
|---|---|
| S2623000025 | 2026-04-22. Service bulletin. Front Seat Massage Function Inoperative. |
| S2608000015 | 2026-03-25. Service bulletin. Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from the Switch Diagnostic Trouble Code (DTC) B1D9B-54- Seat Horizontal Front Stop Not Learned-Missing Calibration |
| S2624000003 REV.A | 2026-03-13. Service bulletin. Heated Seats Shutting Off Prematurely |
| 110627 | 2026-03-13. Service bulletin. PANEL - FRONT SEAT BACK |
| S2624000003 | 2026-03-05. Service bulletin. Note: error in document release number, should be S2624000003. Heated Seats Shutting Off Prematurely |
| S2508000107 | 2025-12-17. Service bulletin. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate |
| 08-123-25 REV.A | 2025-05-07. Service bulletin. Lumbar Seat Inoperable Customers may experience the following: ● All lumbar seat controls inoperable. This bulletin involves updating the radio software level from 31.42 to U35.26. |
| 08-123-25 | 2025-04-30. Service bulletin. "Lumbar Seat Inoperable Customers may experience the following: ● All lumbar seat controls inoperable. This bulletin involves updating the radio software level from 31.42 to U35.26." |
| S2408000048 REV.A | 2024-06-05. Service bulletin. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate After a Recent Module Replacement |