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Service bulletin S1908000041

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 id10220865
Published by NHTSA2022-09-26
Manufacturer's numberS1908000041
Manufacturer's date2021-03-04
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

Check Engine Lamp On, DTC?s P0480 Cooling Fan Circuit Open Or U0465 Loss Communication With Active Air Dam

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

Engine, Engine control module

Trouble codes named

P0480, U0465

Vehicles listed
RAM 15002021

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

Other bulletins for the same vehicles and component
S22080000732023-01-09. Service bulletin. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting