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P0340 on the 1996 GMC Safari

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.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0340
0206040432002-09-28. Service bulletin. SUBJECT REGARDING REVISED DTC P0340 CAMSHAFT POSITION (CMP) SENSOR CIRCUIT DIAGNOSITC. NLM

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.