# P0138 on the 2001 Infiniti QX4

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.

## Bulletins for this model year that name P0138

- [628746](https://open.wenmarpro.com/bulletins/628746), 2002-03-19: SOME VEHICLES MAY EXHIBIT MALFUNCTION INDICATOR LIGHT ON WITH REAR OXYGEN SENSOR DIAGNOSTIC TROUBLE CODES P0138 \- P\-140 OR P0158 \- P0160 STORED. \*TT
- [627315](https://open.wenmarpro.com/bulletins/627315), 2002-02-06: SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ON WITH REAR OXYGEN SENSOR DIAGNOSTIC TROUBLE CODE P0138, P0139, P0140, P0158, P0159, P0160 STORED. \*TT