Description
OBD-II Trouble Code Description for P0020 GMC
“A” Camshaft Position Actuator Circuit
What does this mean?
OBD2 Code P0020 GM definition:
A P0020 GM code definition:the VVT (variable valve timing) or VCT (variable camshaft timing) components and the car’s PCM (powertrain control module). That consists of an oil control valve (OCV), also called a solenoid valve and other components. Basically the check engine light and associated P0020 GM trouble code means that the voltage in the circuit has fallen below a set limit for a specific amount of time (varies by make/model/engine). Bank 2 is the side of the engine that doesn’t contain cylinder #1. Note: This DTC is nearly identical to P0010 GM
Symptoms
Possible sumptoms of OBD code P0020 GM
Check Engine Light illuminated (Malfunction Indicator Lamp) Rough running other symptoms may also be present
Causes
Possible causes of OBD code P0020 GM
A code P0020 GM may mean that one or more of the following has happened: Faulty oil control valve (OCV) Open or short in the VVT/VCT circuit Open or short in the OCV / solenoid valve Damaged computer (PCM)
Possible Solutions
Some recommended troubleshooting and repair steps are: Carefully inspect the Bank 2 VVT/VCT system circuit wiring and connectors, repair as required With a warm engine, test the operation of the OCV, replace/repair as needed
The OBD2 Code Information Be Applicable For GMC:
2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC Terrain,2010 GMC Granite Concept,2009 GMC Sierra Hybrid Crew Cab,2008 GMC Yukon Hybrid,2008 GMC Denali XT Concept,2007 GMC Yukon XL,2007 GMC Yukon Denali,2007 GMC Yukon,2007 GMC Sierra Denali,2007 GMC Sierra Classic,2007 GMC Sierra 3500 HD SLT Crew Cab,2007 GMC Sierra 2500 HD SLT Extended Cab,2007 GMC Sierra,2007 GMC Acadia,2005 GMC Sierra Denali 1500 Crew Cab,2005 GMC Graphyte Concept,2005 GMC Envoy XL Denali,2005 GMC Envoy Denali
Note:
1. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the GMC makes.
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