Engine Controls - Revised DTC P0088 Table

File In Section: 06 - Engine/Propulsion System

Bulletin No.: 02-06-04-032

Date: June, 2002

SERVICE MANUAL UPDATE

Subject:
Revised DTC P0088 Table

Models:
2001 Chevrolet and GMC C/K Pickup Models (Silverado, Sierra) with 6.6L Engine (VIN 1 - RPO LB7)

This bulletin is being issued to revise the DTC P0088 table in the Engine Controls-6.6L 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.

Test Description








The numbers below refer to the step numbers on the diagnostic table shown.

3. DTC P0090 is a current flow problem in the FRP regulator circuit. This incorrect current draw could lead to incorrect fuel pressure. This hardware problem should be diagnosed before the performance DTC is checked.





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