P1285 on the 2001 Isuzu Trooper
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.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| SB0104S001 | 2001-10-16. Service bulletin. SOME ENGINES MAY OCASSIONALLY EXPERIENCE IDLE FLUCTUATION AND / OR THE MALFUNCTION INDICATOR LAMP WILL ILLUMINATE BECAUSE AN ACCELERATOR POSITION SENSOR (APS) DIAGNOSTIC TROUBLE CODE P1271, P1273, P1275, P1280, OR P1285 IS SET. *TT |
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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.