WenmarOpen by Wenmar Pro

Service bulletin 0808621

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10230124
Published by NHTSA2023-01-17
Manufacturer's number0808621
Manufacturer's date2021-05-15
NHTSA componentVISIBILITY; VEHICLE SPEED CONTROL; AIR BAGS; ELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation.

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

Air bags, Electrical system, Glass, wipers and mirrors, Throttle and cruise control, Transmission and driveline

Vehicles listed
RAM 15002021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20263472026-07-16. Visual System
20256132025-11-06. Airbag
25V7650002025-11-06. STEERING:STEERING CONTROL MODULE; AIR BAGS:FRONTAL
25V2980002025-05-08. AIR BAGS; ELECTRICAL SYSTEM:WIRING
20245962024-10-10. Visual System
24V7540002024-10-10. VISIBILITY:REARVIEW MIRRORS/DEVICES
23V2650002023-04-13. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20230472023-02-09. Visual System
20224762022-08-25. Visual System
20217222021-11-24. Airbag

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S26230000572026-10-16. Service bulletin. After Recent Service, A Replacement Occupant Classification Module (OCM) Is Non-Responsive.
S26230000572026-10-16. Service bulletin. After Recent Service, A Replacement Occupant Classification Module (OCM) Is Non-Responsive.
S26210000042026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
1140722026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR
1140732026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR
S26080000332026-07-23. Service bulletin. Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park
21-056-262026-07-18. Service bulletin. Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: SYMPTOM: ● **Harsh or slipping feeling during upshifts (1st - 5th). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor (burnt smell).** ● During a 2 - 3 transmission upshift, the engine is hitting rev limit. ● Hesitation feel during a pedal tip in, while engine is warming up below 1 °C (30 °F) ambient temp. This bulletin involves reprogramming the TCM with the latest available software.
1130692026-07-08. Service bulletin. SWITCH – HEADLAMP
1130702026-07-08. Service bulletin. SWITCH – HEADLAMP
S1623000028 Rev. K2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.