RAM

1814522

2022-10-06 · NHTSA 10227742

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. The customer may experience one or more of the following: Generic Scan Tool shows incorrect PCM Calibration Part Number and Emissions type:OBDI not OBDII(North America Only). Hesitation feel during a pedal tip in, while engine is warming up below -1 °C (30 °F) ambient temp. During a 2 - 3 transmission upshift, the engine is hitting rev limit(DFS Sales Code Only). ?Service Suspension? message in Instrument Panel Cluster (IPC) on start up. Customers may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigationthe technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0133 - O2 Sensor 1/1 Slow Response. P0153 - O2 Sensor 2/1 Slow Response. P0171 - Fuel System 1/1 Lean. P0174 - Fuel System 2/1 Lean. P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P0307 - Cylinder 7 Misfire. P0308 - Cylinder 8 Misfire. B2286 - Calibration Not Learned / Lost Calibration.

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.