Technical Description of OBD-II Trouble Code
"B" Camshaft Position Actuator Circuit (Bank 2)
What is the meaning of this code?
This diagnostic trouble code (DTC) is a generic powertrain code, which means it is applicable to OBD-II equipped vehicles such as Toyota, VW, Ford, Dodge, Honda, Chevrolet, Hyundai, Audi, Acura, etc.
A P0020 code refers to the VVT (variable valve timing) or VCT (variable camshaft timing) components and the car’s PCM (powertrain control module) or ECM (engine control module). VVT is an engine technology that allows for greater power or efficiency at different running points.
It consists of an oil control valve (OCV), also known as a solenoid valve, and other components. Essentially, when the check engine light is illuminated and the associated P0020 trouble code is present, it means that the voltage in the circuit has dropped below a specified limit for a certain period of time (varies depending on make/model/engine). Bank 2 refers to the side of the engine that does not contain cylinder #1.
Note: This DTC is almost identical to P0010.
Symptoms
Causes
A code P0020 may indicate that one or more of the following has occurred:
Possible Solutions
Some recommended troubleshooting and repair steps include:
Other camshaft DTC codes: P0010 – P0011 – P0012 – P0021 – P0022
