P0201 on the 2001 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.
Nobody has written a description of this code yet.
| 01433A | 2004-02-27. Service bulletin. 6.6L LB7 DURAMAX DIESEL DIAGNOSTIC TROUBLE CODE (DTC)S P0201 - P0208. 2500 HD AND 3500 MODELS. SIT BULLETIN 1408805. *TT |
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| 01406 | 2003-11-22. Service bulletin. 6.6L LB7 DURAMAX DIESEL DIAGNOSTIC TROUBLE CODES (DTCS) P0201-P0208. 2500 HD AND 3500 MODELS. *TT |
| 01433 | 2003-11-21. Service bulletin. 6.6L LB7 DURAMAX DIESEL DIAGNOSTIC TROUBLE CODE (DTC)S P0201 - P0208. 2500 HD AND 3500 MODELS. *TT |
| 01361 | 2003-11-20. Service bulletin. 6.6L LB7 ENGINE WITH DIAGNOSTIC TROUBLE CODE (DTC) P0201 AND P0208. 2500 HD AND 3500 MODELS. *TT |
4 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.