JEEP

1805520

2020-07-25 · NHTSA 10221775, 10229345

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 the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):U0402 - Implausible Data Received From TCM. P1DD2 - Torque Request Signal From TCM Denied. U1424 - Implausible Engine Torque Signal Received. P0101 - Mass Air Flow Sensor "A" Circuit Performance. U0418 - Invalid Data Received From Brake System Control Module. P0128 - Thermostat Rationality. P0703 - Brake Switch 2 Performance. P1185 - General Pressure Sensor Correlation. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. Customers may also experience the following:Vehicle periodically may fail to start(ED6 engine only). In addition, the following software enhancements are available:Changes which allow the catalytic convertor to operate cooler. Multiair solenoid electrical opening change to resolve idle tick/tap issue. Cruise control enhancements.

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.