CHEVROLET

PI1157

2021-01-01 · NHTSA 10191015

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

ENGINE IMMOBILIZED and/or SECURITY SYSTEM CONTROLLER IN LEARN MODE Message Displayed, DTC B3031 00 Set Condition/Concern Some customers may comment that the ENGINE IMMOBILIZED and/or SECURITY SYSTEM CONTROLLER IN LEARN MODE message is displayed. Upon investigation the Technician may observe on a scan tool DTC B3031 00: Security System Controller In Learn Mode set. This may be caused by the improper installation of an aftermarket Secure-Idle ignition switch bypass device designed to provide all of the electrical functions that the OEM ignition switch normally provides

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.