# Service bulletin 0811621

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: 10230253
- Published by NHTSA: 2023\-01\-17
- Manufacturer's number: 0811621
- Manufacturer's date: 2021\-07\-13
- NHTSA component: STRUCTURE; ELECTRICAL SYSTEM

## 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. Customers may experience one or more of the following:Exterior mirrors do not return to the original position after shifting out of reverse gear. Exterior mirrors continue to tilt downwards even after shifting out of reverse gear.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10230253-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10230253-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system

## Vehicles listed

- 2020 RAM 1500

## Recalls for the same vehicles and component

- [25V298000](/recalls/nhtsa/25V298000.md), 2025-05-08: AIR BAGS; ELECTRICAL SYSTEM:WIRING
- [2022699](/recalls/tc/2022699.md), 2022-12-08: Structure
- [22V904000](/recalls/nhtsa/22V904000.md), 2022-12-08: STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

## Other bulletins for the same vehicles and component

- [114072](/bulletins/11036362.md), 2026-08-26, Service bulletin: ELECTRICAL SYSTEM. MOTOR \- WINDOW REGULATOR
- [114073](/bulletins/11036361.md), 2026-08-26, Service bulletin: ELECTRICAL SYSTEM. MOTOR \- WINDOW REGULATOR
- [S2608000033](/bulletins/11035198.md), 2026-07-23, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park
- [113069](/bulletins/11034910.md), 2026-07-08, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. SWITCH – HEADLAMP
- [113070](/bulletins/11034909.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. SWITCH – HEADLAMP
- [S2208000045 REV.D](/bulletins/11034385.md), 2026-07-02, Service bulletin: STRUCTURE:BODY. Backup Camera Poor Image Quality Inspection
- [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [23\-007\-26 REV. A](/bulletins/11033948.md), 2026-06-18, Service bulletin: STRUCTURE:BODY. Instrument Panel Delamination Customers may comment on the following: ● Wrinkles or bubbles in the instrument panel cover Fig. 1. This bulletin involves inspecting and possibly replacing the instrument panel cover.
- [S1623000028 REV.J](/bulletins/11033897.md), 2026-06-16, Service bulletin: STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [9100831](/bulletins/11033889.md), 2026-06-16, Service bulletin: STRUCTURE:BODY. For Dealer awareness, HD truck, eliminate 1 of 2 M8 Joints for Sidestep bracket to Body Attachment, Bolt and rivet \(06102165AA, 06511062AA\) per TCR \# 402632, CN 80403\-T18

JSON: [/v1/bulletins/10230253](/v1/bulletins/10230253)

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