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Service bulletin 040604068

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10012714
Published by NHTSA2005-03-12
Manufacturer's number040604068
Manufacturer's date2004-10-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1345 CRANKSHAFT POSITION (CKP) - CAMSHAFT POSITION (CMP) CORRELATION DIAGNOSTIC PROCEDURE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Trouble codes named

P1345

Vehicles listed
CHEVROLET SILVERADO1997
GMC SIERRA1997

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
1300890092023-12-11. Service bulletin. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
0406040882005-05-13. Service bulletin. REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. *TT
30812004-11-17. Service bulletin. SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT
012252004-07-08. Service bulletin. ENGINE COOLANT LEAK AT INTAKE GASKET. * MJ
0306010242003-12-04. Service bulletin. RATTLE NOISE IN ENGINE. *TT
030601024A2003-12-02. Service bulletin. RATTLE NOISE IN ENGINE. *TT