CHEVROLET

PIP5260

2015-01-28 · NHTSA 10095306

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

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE THE ACTIVE REV MATCHING FEATURE TO BE INOPERATIVE. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE P0731 STORED IN THE ENGINE CONTROL MODULE. TECHNICIAN SHOULD INSURE THE VEHICLE IS EQUIPPED WITH REGULAR PRODUCTION OPTION CODE MEL. DEALER SHOULD ASK THE CUSTOMER IF THEY NOTICED THIS CONCERN TO HAPPEN AFTER REVERSE OPERATION, IF YES THEN, NO FURTHER REPAIRS SHOULD BE PERFORMED. THE CURRENT ECM CALIBRATION CAN ALLOW THIS CODE TO FALSELY SET IN REVERSE AS THE REVERSE AND FIRST GEAR RATIOS ARE REAL CLOSE NUMERICALLY. ENGINEERING IS CURRENTLY WORKING ON A CORRECTION FOR THIS CONCERN.

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.