Secondary Pressure Down
Table of contents
P0868 NISSAN 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
How do I fix code P0868 NISSAN?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
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
- The service bulletin recommends replacing the transmission valve body and reprogram Transmission Control Module (TCM).
Cost of diagnosing the P0868 NISSAN code
The cost of diagnosing the P0868 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible 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).