# P1870 on the 1997 Isuzu Hombre

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.

## Bulletins for this model year that name P1870

- [10006092](https://open.wenmarpro.com/bulletins/10006092), 2004-04-16: HARSH 1\-2 UPSHIFT AND MALFUNCTION INDICATOR LAMP \(MIL\) ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE \(DTC\) P1870 SET. \*TT