Trouble code P0026 intake valve control solenoid circuit Range/Performance (bank 1), The ECM may activate the intake valve solenoid, but the valves would not change to the high lift position. The intake valve solenoid may have an open or short circuit. The wiring or connections to the intake valve solenoid is shorted or open. There might be some defects in the ECM. Replace/Repair These Parts To Fix OBD Code P0026. There are some chances that the powertrain control module may appear faulty and due to that P0026 code may come. So, it better not to take any risk as you can always purchase brand new powertrain control module online with us. Facing issues with engine control module? Buy new engine control module and get rid of this issue. Symptoms of P0026 code are roughness at idle, choppy acceleration, decrease in the engine performance and substandard fuel efficiency. The lack of power would be experienced by the engine. The engine may start running roughly or stall if one of the two intake camshafts are stuck in a high valve lift position. The engine will run very erratically and it all depends on the intake valves failed position. The check engine light will start appearing indicating that there is some issue. The valves should work okay and this could be tested by installing the solenoid and then you can replace the intake lift solenoid. The wiring or connection to the intake lift solenoid should be repaired or replaced. The ECM connector should be repaired or replaced . Parts Avatar Canada has in stock the  best replacement parts and performance parts for your vehicle. The electrical connections and wire harness to the bank 1 intake valve solenoid should be visually checked. Clear the code and carefully verify if the code is returning again before you start performing any further testing. The test intake valve control solenoid should be installed for proper diagnosis. The test solenoid off should be commended and then the intake valves should go to high lift. The later the intake valves should go to low lift