CADILLAC, CHEVROLET, GMC

PIP4792D

2014-01-30 · NHTSA 10112043

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 have a an extended crank on cold start, brief rough running on cold start, black exhaust color, and/or Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0172 and or P0175. Technician will need to check the Fuel Alcohol Content parameter found in the Fuel Trim Data List of the scan tool and the measured ethanol content of a fuel sample using the J44175 tester. If the difference is 17% or greater, reprogram the Engine Control Module with the latest calibrations from TIS2web.

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.