# Service bulletin PIP4578B A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned. - Type: Service bulletin - NHTSA id: 10126975 - Published by NHTSA: 2018\-01\-16 - Manufacturer's number: PIP4578B - Manufacturer's date: 2017\-12\-18 - NHTSA component: ENGINE AND ENGINE COOLING ## NHTSA's summary This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard PIP4578. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10126975-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10126975-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine ## Trouble codes named P0068, P0121, P1516, P2101, P2119, P2176 ## Vehicles listed - 2007 BUICK RAINIER - 2007 to 2018 CADILLAC CTS - 2007 to 2018 CADILLAC ESCALADE - 2007 to 2013 CHEVROLET AVALANCHE - 2006 CHEVROLET AVALANCHE 1500 - 2010 to 2018 CHEVROLET CAMARO - 2008 to 2009 CHEVROLET COLORADO - 2006 to 2018 CHEVROLET CORVETTE - 2006 to 2017 CHEVROLET EXPRESS - 2006 to 2009 CHEVROLET IMPALA - 2006 to 2007 CHEVROLET MONTE CARLO - 2008 CHEVROLET MONTE CARLO - 2017 CHEVROLET SILVERADO - 2006 to 2011 CHEVROLET SILVERADO 1500 - 2014 CHEVROLET SILVERADO 1500 - 2006 to 2018 CHEVROLET SILVERADO 2500 - 2006 to 2018 CHEVROLET SILVERADO 3500 - 2006 to 2018 CHEVROLET SUBURBAN - 2006 to 2009 CHEVROLET T SERIES - 2006 to 2018 CHEVROLET TAHOE - 2006 to 2009 CHEVROLET TRAILBLAZER - 2008 to 2009 GMC CANYON - 2006 to 2009 GMC ENVOY - 2006 to 2017 GMC SAVANA - 2007 to 2018 GMC SIERRA 1500 - 2007 to 2018 GMC SIERRA 2500 - 2007 to 2018 GMC SIERRA 3500 - 2006 to 2018 GMC YUKON - 2007 to 2008 HUMMER H2 - 2008 to 2009 HUMMER H3 - 2008 to 2009 PONTIAC G8 - 2007 to 2008 PONTIAC GRAND PRIX - 2006 to 2009 SAAB 9\-7X ## Recalls for the same vehicles and component - [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE - [16V868000](/recalls/nhtsa/16V868000.md), 2016-12-02: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN - [2014577](/recalls/tc/2014577.md), 2014-12-18: Engine - [2014005](/recalls/tc/2014005.md), 2014-01-13: Engine - [14V007000](/recalls/nhtsa/14V007000.md), 2014-01-13: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM - [06V289000](/recalls/nhtsa/06V289000.md), 2006-08-03: ENGINE AND ENGINE COOLING ## Other bulletins for the same vehicles and component - [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. - [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. - [22\-NA\-080](/bulletins/11024330.md), 2025-10-16, Service bulletin: ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. - [15\-NA\-010](/bulletins/11020254.md), 2025-07-07, Service bulletin: ENGINE. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. - [25\-NA\-100](/bulletins/11019503.md), 2025-06-12, Service bulletin: ENGINE. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000\-mile Emission Select State Component Limited Warranty. - [25\-NA\-052](/bulletins/11017263.md), 2025-04-28, Service bulletin: ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system. - [25\-NA\-052](/bulletins/11016942.md), 2025-04-10, Service bulletin: ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system. - [23\-NA\-216](/bulletins/11014581.md), 2025-02-28, Service bulletin: ENGINE. This service bulletin provides a procedure to replace the exhaust resonator/muffler assembly to correct a customer concern of rattle noise from exhaust. - [16\-NA\-003](/bulletins/11014575.md), 2025-02-28, Service bulletin: ENGINE. This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle. - [22\-NA\-074](/bulletins/11014233.md), 2025-02-12, Service bulletin: ENGINE. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. 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