P0146 on the 1997 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.
| 030604051 | 2003-12-02. Service bulletin. REVISED DIAGNOSTIC TROUBLE CODE (DTC) P0146 HO2S CIRCUIT INSUFFICIENT ACTIVITY BANK 1 SENSOR 3. *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.