RAM

1800722

2022-01-15 · NHTSA 10222985

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 This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may findthat one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P064F - Unauthorized Software/Calibration Detected. P2201 - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 1. P24C7 - Particulate Matter Sensor Temperature Circuit Performance. P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. P202E - Reductant Injector Performance. P218F - Reductant No Flow Detected. In addition, the following software enhancements are also available: Fuel filter minder improvement. Calibration changes to engine-off timer. Changes to engine warm up protection. Hydrocarbon Desorption (HCD) driveability improvements. A/C pressure sensor update. Exhaust Gas Recirculation (EGR) calibration changes.

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.