WenmarOpen by Wenmar Pro

Service bulletin D1902

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 id10220061
Published by NHTSA2022-09-15
Manufacturer's numberD1902
Manufacturer's date2019-11-06
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

Fast Feedback Program - 6.7L Cummins Engine - 2019 HD Ram - All Models (Rev. B)

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

Electrical system, Engine

Vehicles listed
RAM 25002019
RAM 35002019
RAM 45002019
RAM 55002019

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

Recalls for the same vehicles and component
20213602021-06-10. Engine
21V4390002021-06-10. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
20203962020-08-27. Engine
20V5110002020-08-27. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; ELECTRICAL SYSTEM:SOFTWARE

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
91009012026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
1142542026-09-03. Service bulletin. RADIATOR - ENGINE COOLING
1142552026-09-03. Service bulletin. RADIATOR - ENGINE COOLING
1137442026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED
1137422026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED
1130692026-07-08. Service bulletin. SWITCH – HEADLAMP
1130702026-07-08. Service bulletin. SWITCH – HEADLAMP
1129062026-07-02. Service bulletin. BEARING - CRANKSHAFT THRUST and KIT
1129062026-07-02. Service bulletin. BEARING - CRANKSHAFT THRUST and KIT
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.