Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2009SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - INSTRUMENT PANELINSTRUMENT PANEL CONTROL MODULETECHNICAL SERVICE BULLETINSINSTRUMENTS - HOURMETER READING NOT TRANSFERRED TO IPC
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Instruments - Hourmeter Reading Not Transferred To IPC
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Instruments - Hourmeter Reading Not Transferred To IPC
INFORMATION
Bulletin No.: 07-08-49-003B
Date: March 26, 2012
Subject: Information on Engine Hourmeter Reading Not Being Transferred to New IPCs
Models:
2007-2012 Cadillac Escalade Models
2003-2009 Chevrolet Kodiak C4500-C8500 Series
2007-2012 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2003-2009 GMC TopKick C4500-C8500 Series
2007-2012 GMC Sierra, Yukon Models
2008-2010 HUMMER H2
2005-2008 Isuzu HTR/HVR/HXR Medium Duty Conventional Models
with Engine Hourmeter
Supercede:
This bulletin is being revised to update the model years. Please discard Corporate Bulletin Number 07-08-49-003A (Section 08 - Body and Accessories).
The purpose of this bulletin is to remind technicians that the engine hourmeter reading must be programmed into a new Instrument Panel Cluster (IPC) whenever the IPC is exchanged or replaced. The Authorized Electronic Service Center will not program the engine hourmeter reading into the new IPC unless it is provided to them. The engine hour reading is not subject to federal regulations like the odometer reading and it is not a requirement that it be reset in the new IPC. Please make it a standard practice to record the engine hour reading, if possible, before the original IPC is removed from the vehicle. Then provide that reading to the ESC so that it can be programmed into the new IPC. If the engine hour reading is not readily available due to an IPC failure, then ask the customer what the engine hour reading should be set to in the new IPC. If the engine hour reading is not provided to the ESC, the new IPC will start with an engine hourmeter reading of zero.
Disclaimer
Bulletin No.: 07-08-49-003B
Date: March 26, 2012
Subject: Information on Engine Hourmeter Reading Not Being Transferred to New IPCs
Models:
2007-2012 Cadillac Escalade Models
2003-2009 Chevrolet Kodiak C4500-C8500 Series
2007-2012 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2003-2009 GMC TopKick C4500-C8500 Series
2007-2012 GMC Sierra, Yukon Models
2008-2010 HUMMER H2
2005-2008 Isuzu HTR/HVR/HXR Medium Duty Conventional Models
with Engine Hourmeter
Supercede:
This bulletin is being revised to update the model years. Please discard Corporate Bulletin Number 07-08-49-003A (Section 08 - Body and Accessories).
The purpose of this bulletin is to remind technicians that the engine hourmeter reading must be programmed into a new Instrument Panel Cluster (IPC) whenever the IPC is exchanged or replaced. The Authorized Electronic Service Center will not program the engine hourmeter reading into the new IPC unless it is provided to them. The engine hour reading is not subject to federal regulations like the odometer reading and it is not a requirement that it be reset in the new IPC. Please make it a standard practice to record the engine hour reading, if possible, before the original IPC is removed from the vehicle. Then provide that reading to the ESC so that it can be programmed into the new IPC. If the engine hour reading is not readily available due to an IPC failure, then ask the customer what the engine hour reading should be set to in the new IPC. If the engine hour reading is not provided to the ESC, the new IPC will start with an engine hourmeter reading of zero.
Disclaimer
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.