P0336 on the 2003 GMC Sonoma
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.
| 00700A | 2004-07-02. Service bulletin. 4.3L L35 ENGINE WIDE OPEN THROTTLE DIAGNOSTIC TROUBLE CODE (DTC) P0335, P0336, P0339. *TT *MJ |
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| 030604033 | 2003-09-29. Service bulletin. REVISED DIAGNOSTIC TROUBLE CODE P0336. *TT UPDATE. TO INCLUDE 2004 ISUZU NQR COMMERCIAL MODELS. *TT |
2 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.