Possible causes
– Pressure Control Solenoid Valve ‘B’ (secondary pressure solenoid valve) system
– Control Solenoid Valve ‘B’ harness is open or shorted
– Control Solenoid Valve ‘B’ circuit poor electrical connection
- Transmission Pressure Sensor ‘A’ (secondary pressure sensor)
- Line pressure control system
– Control Solenoid Valve ‘B’ harness is open or shorted
– Control Solenoid Valve ‘B’ circuit poor electrical connection
- Transmission Pressure Sensor ‘A’ (secondary pressure sensor)
- Line pressure control system
Tech notes
There is a factory service bulletin for the following Nissan Models:
2003 Nissan Murano
2004 Nissan Murano
2005 Nissan Murano
2006 Nissan Murano
2007 Nissan Murano
2003-2007 Nissan Murano Factory Service Bulletin OBDII Code P0868
Service bulletin recommend replacing the tranmission valve body and reprogram Transmission Control Module (TCM).
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0868 NISSAN Description
The pressure control solenoid valve B (secondary pressure solenoid valve) regulates the secondary pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).