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Service bulletin 1807423

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 id10241101
Published by NHTSA2023-08-21
Manufacturer's number1807423
Manufacturer's date2023-06-17
NHTSA componentPOWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM

NHTSA's summary

Flash: Powertrain Control Module (PCM) Updates Customers may experience one or more of the following: ? Longer crank time than normal. ? Transmission overheat conditions with a message displayed in cluster stating "Transmission oil temperature is too hot". This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software.

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, Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
RAM 25002023
RAM 35002023

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

Recalls for the same vehicles and component
26V2880002026-05-07. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
24V4130002024-06-06. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION
22V8350002022-11-10. POWER TRAIN:AUTOMATIC TRANSMISSION

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
S23210000072023-10-02. Service bulletin. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0944 ? Loss of Hydraulic Pump Prime, and P0868 ? Transmission Fluid Pressure Low, Set.
18082232023-09-25. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ? Cruise control inoperative. This bulletin involves reprogramming the PCM with the latest available software.