# P0840 on the 2007 Nissan Sentra

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 P0840

- [10033269](https://open.wenmarpro.com/bulletins/10033269), 2010-08-02: NISSAN: MIL ON W/DTC P0840, P0845, P0744, P1777. REPLACE THE CONTROL VALVE ASSEMBLY WITH PART LISTED; REFERENCE SECTION TM, CONTROL VALVE REMOVAL AND INSPECTION IN APPROPRIATE ESM; ERASE EEP ROM CALIBRATION DATA IN TCM AND ALLOW IT TO RECALIBRATE. ALTIMA, ROGUE, SENTRA. \*PE
- [10030088](https://open.wenmarpro.com/bulletins/10030088), 2009-07-31: NISSAN: AFFECTED VEHICLES HAS CVT FLUID AND THAT IS DISCOLORED AND/OR HAS UNUSUAL ODOR. MIL IS ON WITH DTCS P0840 AND/OR P0845 STORED IN CONSULT III/ENGINE AND /OR TRANSMISSION. THE MIL IS ON AND P0710 IS STORED IN CONSULT III/ENGINE AND/OR TRANSMISSION. P0710 MAY BE STORED WITH P0840 AND/OR P0845. \*PE