P1345 on the 1997 GMC Sierra
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 040604068 | 2005-03-12. Service bulletin. REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1345 CRANKSHAFT POSITION (CKP) - CAMSHAFT POSITION (CMP) CORRELATION DIAGNOSTIC PROCEDURE. *TT |
|---|
1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.