# Service bulletin PI\-0474

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: 10038744
- Published by NHTSA: 2011\-06\-27
- Manufacturer's number: PI\-0474
- Manufacturer's date: 2011\-05\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## NHTSA's summary

GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. \*RM

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- 2006 to 2010 CHEVROLET EXPRESS
- 2006 to 2009 CHEVROLET KODIAK
- 2006 to 2010 CHEVROLET SILVERADO
- 2006 to 2007 CHEVROLET SILVERADO CLASSIC
- 2010 GMC SANANA
- 2006 to 2010 GMC SAVANA
- 2006 to 2010 GMC SIERRA
- 2006 to 2007 GMC SIERRA CLASSIC
- 2006 GMC SIERRA DENALI
- 2006 to 2009 GMC TOPKICK

## Recalls for the same vehicles and component

- [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.
- [03\-06\-01\-023I](/bulletins/11012907.md), 2025-01-17, Service bulletin: ENGINE. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- [19\-NA\-219](/bulletins/11011900.md), 2024-12-17, Service bulletin: ENGINE. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
- [04\-06\-01\-029K](/bulletins/11011205.md), 2024-12-04, Service bulletin: POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
- [03\-06\-01\-023H](/bulletins/11010544.md), 2024-11-14, Service bulletin: ENGINE. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- [01\-06\-01\-011Q](/bulletins/11010490.md), 2024-11-13, Service bulletin: ENGINE. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- [20\-NA\-138](/bulletins/11009756.md), 2024-11-05, Service bulletin: POWER TRAIN; ENGINE. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
- [04\-06\-04\-051J](/bulletins/11009532.md), 2024-10-31, Service bulletin: ENGINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- [04\-06\-04\-051J](/bulletins/11009531.md), 2024-10-31, Service bulletin: ENGINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

JSON: [/v1/bulletins/10038744](/v1/bulletins/10038744)

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