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Service bulletin S1924000019 Rev.

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 id10188723
Published by NHTSA2021-03-15
Manufacturer's numberS1924000019 Rev.
Manufacturer's date2021-02-19
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.

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, Equipment and accessories, Heating and air conditioning, Engine oil and lubrication

Vehicles listed
RAM 15002019, 2020

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
S21090000102022-08-22. Service bulletin. 3.0L Ecodiesel Engine Oil Information
S18090000072022-05-31. Service bulletin. Customer Complaint May Include Engine Oil Leak Or Consumption
S1924000019 Rev.2021-05-24. Service bulletin. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S20080001512020-11-30. Service bulletin. Outside Air Temperature Displayed On Cluster Or Radio Are Inaccurate