Service bulletin 08-187-26 REV. A
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 | 11033337 |
| Published by NHTSA | 2026-06-03 |
| Manufacturer's number | 08-187-26 REV. A |
| Manufacturer's date | 2026-05-30 |
| NHTSA component | STRUCTURE:BODY |
NHTSA's summary
Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration.** Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is inoperative. This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software
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
Body and frame
Trouble codes named
B2577
| RAM 1500 | 2026 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 23-048-26 REV. A | 2026-10-07. Service bulletin. Multi-function Tailgate Requires High Closing Effort Customers may comment on the following: SYMPTOM: ● Difficulty closing the right-hand Multi-Function Tailgate due to high closing effort. This bulletin involves inspecting and possibly adjusting the Multi-Function tailgate. |
|---|---|
| 23-048-26 | 2026-09-30. Service bulletin. Not applicable to vehicles built for US market. Multi-function Tailgate Requires High Closing Effort Customers may comment on the following: SYMPTOM: ● Difficulty closing the right-hand Multi-Function Tailgate due to high closing effort. This bulletin involves inspecting and possibly adjusting the Multi-function tailgate. |
| 9100892 | 2026-09-10. Service bulletin. Switch - Tailgate Handle Prior to replacing the Tailgate Handle Switch, please review MasterTech Article - Tailgate Handle Inoperative. |
| 9100886 | 2026-09-03. Service bulletin. Sunroof Assy Sunroof glass and/or sunshade cannot open/close (inoperative). 1. Please follow the service procedure: 08-Electrical/8N - Power Systems/ Power Top, Sunroof/ Diagnosis and Testing. 2. If sunroof motors continue to be inoperative, please contact STAR and reference SET 1599. ***This should be done before trying to replace the sunroof motors.*** |
| 08-313-26 REV. A | 2026-08-19. Service bulletin. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors |
| 08-313-26 | 2026-08-19. Service bulletin. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors |
| 9100853 | 2026-07-18. Service bulletin. SWITCH Power Window 25-26 DJ and D2. Driver door mirror switches are sticking down. This is being caused by excess trim panel material extending into the switch opening which puts pressure on the switch bezel. Material needs to be removed from the opening. Reference SOL S2523000066. |
| 113069 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |
| 113070 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |
| 08-187-26 REV. B | 2026-07-08. Service bulletin. Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B2577-00 - Window Not Calibrated / Lost Calibration. Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is inoperative. This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software |