CHEVROLET, GMC

PIT5424

2015-06-24 · NHTSA 10115068

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 the steps to diagnose and repair vehicles that have intermittent hard start Service Engine Soon Malfunction Indicator Lamp or low oil pressure lamp on. Technician may find Diagnostic Trouble Codes P0261, P0264, P0267, P0270, P0273, P0276, and or P0641. Technician should inspect the engine harness routing the Engine Control Module and the upper rear of the engine. Technician should repair and wires that are damaged from the harness rubbing. After the wires are repaired protective wrap, and reposition the harness away from the engine.

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.