p0665 intake manifold tuning valve control circuit high bank 2
P0665 Intake Manifold Tuning Valve Control Circuit High Bank 2
Definition: This code indicates that the powertrain control module (PCM) has detected a high voltage condition in the intake manifold tuning valve control circuit for bank 2. The intake manifold tuning valve is responsible for optimizing airflow into the engine, and a high circuit condition may affect engine performance.
p0665 – Intake Manifold Tuning Valve Control Circuit High Bank 2
Typical Severity: Moderate
Common Causes
p0665 – Intake Manifold Tuning Valve Control Circuit High Bank 2
Common Causes:
- Faulty intake manifold tuning valve
- Wiring issues in the control circuit
- Poor electrical connection in the control circuit
- ECU/PCM software needs to be updated
Common Misdiagnosis
OBD2 Code: P0665
Description: Intake Manifold Tuning Valve Control Circuit High Bank 2
Common Misdiagnosis: Replacing the intake manifold tuning valve without checking for wiring issues or a faulty control module.
Common Diagnostic Steps
OBD2 Code: P0665
Description: Intake Manifold Tuning Valve Control Circuit High Bank 2
- Verify the code with an OBD-II scanner and reset it to see if it returns.
- Inspect the intake manifold tuning valve for any signs of damage or wear.
- Check the wiring and connectors associated with the intake manifold tuning valve control circuit for corrosion, damage, or disconnection.
- Test the voltage at the intake manifold tuning valve using a multimeter to ensure it is within specifications.
- Examine the vacuum lines connected to the intake manifold for leaks or blockages.
- If equipped, test the functionality of any related sensors that may affect the operation of the intake manifold tuning valve.
- Consult vehicle-specific repair manuals or databases for additional diagnostic procedures tailored to your make and model.
- If all else fails, consider replacing the intake manifold tuning valve as a last resort after ruling out other potential causes.