P0135 on the 2001 Saturn LS
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.
| 040604008 | 2004-04-23. Service bulletin. SERVICE ENGINE SOON (SES) LAMP ILLUMINATED WITH DTC P0135 HO2S HEATER CIRCUIT PERFORMANCE BANK 1 SENSOR 1 AND/OR DTC P0155 HO2S HEATER PERFORMANCE BANK 2 SENSOR 1. *MR THIS BULLETIN REPLACES PREVIOUS 04-06-04-008. *EH |
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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.