UPDATE 2: Did get a generic Volvo code reader, and let it scan while the car was running with the P0012 code tripped and not reset. It did not help me at all to find out what is causing the P0012. And this generic Volvo code reader has no repair assistance at all built in to it. Did use the battery ...

Thanks ggleavitt. Please explain the cleaning procedures for the solenoids and if I am trying to clean the correct parts for this P0012 DTC error code since there are various names in the aftermarket for the part(s) and I was not referencing VIDA. For example, what I thought was the Oil Control Valv...

A 2007 Volvo XC90 3.2L with Check Engine Light going on with DTC P0012 which is a Camshaft Intake Timing retarded bank 1. In the picture the Red circles are the VVT Solenoids. What are the parts in the Green circles and Blue circle? And are both VVT Solenoids responsible for bank 1 or what solenoid ...