RAM

18-080-25

2025-08-23 · NHTSA 11022174

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P245D-00 - EGR Cooler Bypass Control Circuit High. ● P02E3-00 - Diesel Intake Air Flow Control Circuit High. ● P0490-00 - EGR Control Circuit High. ● P229F-00 - Aftertreatment NOX Sensor Circuit Performance - Bank 1 Sensor 2. ● P0299-00 - Turbocharger Underboost. ● P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. ● P0128-00 - Thermostat Rationality. ● P0234-00 - Turbocharger Overboost Condition.** Customers may also comment on one or more of the following: ● **Engine speed unstable when vehicle is stationary, not in gear and running on high speed governor (max engine speed).** ● Longer crank time than normal. ● Transmission overheat conditions with a message displayed in the Instrument Panel Cluster (IPC) stating "Transmission oil temperature is too hot" This bulletin involves reprogramming the Engine Control Module (ECM/PCM) with the latest available software.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.