JEEP

18-017-20

2020-02-22 · NHTSA 10173376

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 PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P0238-00 - Positive Boost Pressure Governor Deviation Low Pressure Signal Calculation Failure. Customer may also notice:Erratic engine idle. Premature alternator pulley failure. Other software enhancements include:Improvement to avoid soot formation in the intake system that can cause engine speed oscillation at idle. Improvement to the alternator strategy to prevent alternator pulley failure.

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.