P0020 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0020 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0020 code.

What Does P0020 Code Mean?

OBD-II Code P0020 is defined as a "A" Camshaft Position Actuator Circuit/Open

Newer vehicles use a variable timing system to adjust the timing of the intake and exhaust valves in an effort to increase fuel efficiency and performance. The engine control module (PCM) uses a Camshaft Position Actuator to adjust the camshaft accordingly. If the Camshaft does not respond as the PCM requests, the PCM will set code P0020.

P0020 Symptoms

• Decreased engine performance
• Increased fuel consumption

Common Problems That Trigger the P0020 Code

• Powertrain Control Module (PCM) failure
• Variable valve timing actuator failure
• Wiring issue

Common Repairs Needed for the P0020 Code

• Oil and Filter Change