What Does P0077 Mean? This code indicates that the PCM has detected a higher than normal voltage reading (or degree of resistance) from the VVT circuit that controls intake valve timing for engine bank 1. engine code P0077P0077 fixobd P0077dtc P0077obd code P0077obd2 P0077P0077 car codediagnostic code P0077car code P0077check engine code P0077fehlercode P0077P0077 fiatcodigo P0077codigo falla P0077P0077 kody błędówcodigo de falla P0077 Possible causes Faulty Intake Valve Control Solenoid Bank 1 Intake Valve Control Solenoid Circuit Bank 1 harness is open or shorted Intake Valve Control Solenoid Circuit Bank 1 circuit poor electrical connection When is the code detected? An improper voltage is sent to the Engine Control Module (ECM) through intake valve timing control solenoid valve. Symptoms Engine Light ON (or Service Engine Soon Warning Light) How do you troubleshoot P0077 ? Repairing open or short in the intake valve control solenoid circuit Replacing or repairing connectors and wiring Replacing the solenoid control valve Searches related to P0077 - Intake Valve Control Solenoid Circuit High Bank 1 2005 hyundai elantra intake valve control solenoid p0077 nissan 2008 hyundai elantra p0077 p0077 kia kia intake valve control solenoid p0077 kia spectra p0077 hyundai elantra hyundai intake valve control solenoid