Technical Description of OBD-II Trouble Code
"B" Camshaft Position Actuator Circuit (Bank 1)
What is the meaning of this code?
This diagnostic trouble code (DTC) is a generic powertrain code that is applicable to OBD-II equipped vehicles, including Toyota, VW, Honda, Chevrolet, Hyundai, Audi, Acura, and others.
A P0013 code pertains 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 enables it to achieve greater power or efficiency at different running points.
This code involves an oil control valve (OCV), also known as a solenoid valve, and other components. This source explains it best:
The powertrain control module (PCM) controls the camshaft position (CMP) actuator through a high control circuit and a low reference circuit. The high control circuit carries a 12 volt pulse width modulated (PWM) signal from the PCM to the CMP actuator solenoid to regulate the amount of engine oil flow to the cam phaser. The low reference circuit serves as a return circuit. The PCM has the capability to monitor the functionality of the high control and low reference circuits. If the PCM detects an open, a short to ground, or a short to voltage, DTC P0013 is triggered.
The "B" camshaft refers to the exhaust, right, or rear camshaft (when viewing the engine from the driver’s seat). Bank 1 refers to the side of the engine that contains cylinder #1.
Symptoms
Causes
A code P0013 may indicate that one or more of the following has occurred:
Possible Solutions
It is recommended to consult a factory service manual for specific steps and specifications based on the make and model of your vehicle. You should use a digital volt ohm meter (DVOM) to measure the resistance of the terminals on the camshaft oil control valve (OCV). Refer to the factory specifications for the reading, and if it is not within the acceptable range, replace the OCV assembly. Additionally, use the DVOM to verify the wiring, connectors, and other components leading from the OCV back to the PCM.
Other camshaft DTC codes: P0011 – P0012 – P0020 – P0021 – P0022
