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P0083 OBD-II Trouble Code: Intake Valve Control Solenoid Circuit High (Bank 2)

Check Engine Light

P0083 code definition

P0083 is a general OBD-II code indicating a issue with bank 2 intake valve control solenoid. This code may be seen with P0081 and P0082. The vehicle also has a bank 1 valve control solenoid.

What the P0083 code means

P0083 is telling us the intake valve control circuit has detected high voltage in the system. The vehicle's variable valve timing system uses the ECM to control the valve solenoid. When the ECU sends a signal and finds the circuit to have an out of range performance, then a code is set. Once the code is set the car goes into a failsafe mode and disables variable valve timing.

What causes the P0083 code?

  • ECU failure
  • Shorted or open wiring in the harness in intake valve control solenoid bank 2
  • Faulty electrical connection or connector

What are the symptoms of the P0083 code?

  • The car is in failsafe mode
  • Poor acceleration
  • Low power
  • Worsened fuel economy

How does a mechanic diagnose the P0083 code?

  • A professional level scan tool is installed into the DLC port and checked for all OBD-II codes present.

  • All freeze frame data associated with the codes present will be taken note of, and then the code will be cleared.

  • Takes the vehicle on a road test under the same conditions as found in the freeze frame data, including engine load, RPM, speed, coolant temperature, and drive time.

  • If the code reappears during the test drive, they will continue with a visual inspection. Confirm P0083 is present after the test drive.

  • A visual inspection of the wiring harness for the intake valve control solenoid bank 2 will be conducted to check for damage, shorted, and broken wires. They will check for correctly installed and undamaged connectors and poor connections at any junction points.

  • Use the scan tool to observe the live data stream from the intake valve control solenoid. Confirm out of range sensor performance

  • If sensor is operating properly, they will proceed with diagnostic testing on the ECU. Each manufacturer and model will have its own separate test procedure.

Common mistakes when diagnosing the P0083 code

  • Not following all steps of the diagnostic properly or following them in the wrong order
  • Replacing the intake valve control solenoid without confirming that it is bad

How serious is the P0083 code?

P0083 is not usually a code that indicates serious issues. It should be no problem to drive to a safe location when the Check Engine Light is displayed on the dashboard. Though the symptoms are minor with this code, care should be taken while driving since decreased engine power and acceleration will be felt.

What repairs can fix the P0083 code?

  • Bank 2 intake valve control solenoid replacement
  • ECU removal and replacement
  • Repair poor or faulty electrical connection
  • Replace or repair the wiring harness

Additional comments for consideration regarding the P0083 code

The variable valve timing system is used to advance the vehicle's engine timing as needed using the ECM and both intake and exhaust control solenoid. This system is used to increase engine power, acceleration, and fuel economy and is a critical component in modern engines.

Vehicles seen with P0083 will have a left and right engine bank, known as bank 1 and 2. Bank 2 is generally the passenger side of the engine. The intake valve control solenoid should be found near the intake portion of the cylinder head. Cars will have a V configured engine to have 2 cylinder banks such as a V6 and a V8.

A scan tool that allows live data to be viewed in real time will be required to properly diagnose this code. This type of scan tool is a professional level scan tool and shows important information such as voltage, On/Off, Ohms, and graphs of changes in sensor and solenoid valves over time. They are critical to be able to properly diagnose the solenoid.

Need help with a P0083 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230 to have this issue resolved.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
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