Subject: | Revised DTC P1404 |
Models: | 2002-2004 Chevrolet Silverado |
2003-2004 Chevrolet Kodiak |
2002-2004 GMC Sierra |
2003-2004 GMC TopKick |
with 6.6L Diesel Engine (VIN 1 - RPO LB7) |
This bulletin is being issued to revise Step 4 of DTC P1404 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.
The component to be tested is the EGR Vacuum Control Solenoid, NOT the EGR Vent Solenoid.
4 |
Important: Mark all disconnected vacuum hoses for proper installation if necessary.
Does the EGR vacuum control solenoid operate as described in the above test? | -- | Go to Step 5 | Go to Step 9 |