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For 1990-2009 cars only

SMU - Revised DTC U2104

Subject:Revised DTC U2104

Models:2001-2004 Chevrolet Silverado
2003-2004 Chevrolet Kodiak
2001-2004 GMC Sierra
2003-2004 GMC TopKick
with 6.6L Engine (VIN 1 - RPO LB7)



This bulletin is being issued to revise Step 12 of DTC U2104 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 correct value for Step 12 is 2,000 Hz.