CHEVROLET

PI1439

2015-03-13 · NHTSA 10113749, 10135391

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 informational bulletin provides a diagnostic tip for a customer concern of Malfunction Indicator Lamp (MIL) on, and technician finding DTC P0503 only set with no other symptoms.

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.