SMU - Revised DTC P0045. GMC Truck TopKick C-Series (Crew) C4/C5 2004

Subject:

Revised DTC P0045

Models:

2004-2005 Chevrolet Kodiak, Silverado

2004-2005 GMC Sierra, TopKick

with 6.6L Diesel Engine (VIN Code 2 - RPO LLY)

This bulletin is being issued to revise Step 3 of DTC P0045 in the Engine Controls sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Step	Action	Yes	No
3	Start the engine. Select the TC vane position control solenoid test in Scan Tool Output Controls. Raise the engine RPM to 1,200 RPM and maintain. Command the turbocharger (TC) vane position control solenoid valve to ON and back OFF with a scan tool. Does the engine speed change when the valve is commanded ON?	Go to Step 4	Go to Step 5

Step

Action

Yes

Start the engine.
Select the TC vane position control solenoid test in Scan Tool Output Controls.
Raise the engine RPM to 1,200 RPM and maintain.
Command the turbocharger (TC) vane position control solenoid valve to ON and back OFF with a scan tool.

Does the engine speed change when the valve is commanded ON?

Go to Step 4

Go to Step 5