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P0012 Infiniti Code - Intake Valve Timing Control Performance Bank 2

Quick Answer

The P0012 diagnostic trouble code (DTC) in Infiniti vehicles refers to "Intake Valve Timing Control Performance Bank 2." This code indicates that there is an issue with the performance of the intake valve timing control system in the second bank of the engine. Common causes include Faulty intake valve timing control solenoid, Malfunctioning camshaft position sensors, Issues with camshaft phasers. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0012 Infiniti indicates Intake Valve Timing Control Performance Bank 2.
Common causes
Common causes include Faulty intake valve timing control solenoid, Malfunctioning camshaft position sensors, Issues with camshaft phasers.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0012 Infiniti Description

The P0012 diagnostic trouble code (DTC) in Infiniti vehicles refers to "Intake Valve Timing Control Performance Bank 2." This code indicates that there is an issue with the performance of the intake valve timing control system in the second bank of the engine. In modern engines, the intake valve timing control system is responsible for optimizing the opening and closing timing of the intake valves to ensure efficient combustion and maximum power output.

OBDII Code P0012 Infiniti - Intake Valve Timing Control Performance Bank 2
P0012 Infiniti Code - Intake Valve Timing Control Performance Bank 2

Common Causes of P0012 Infiniti

  1. Faulty intake valve timing control solenoid
  2. Malfunctioning camshaft position sensors
  3. Issues with camshaft phasers
  4. Timing chain tensioner failure
  5. Problems with oil control valves

Symptoms of P0012 Infiniti

  1. Engine misfires
  2. Rough idling
  3. Loss of power
  4. Decreased fuel efficiency
  5. Illuminated check engine light

How to Fix P0012 Infiniti

  1. Perform a diagnostic scan to confirm the P0012 code and identify the specific cause of the issue.
  2. Inspect and test the intake valve timing control solenoid, camshaft position sensors, camshaft phasers, timing chain tensioners, and oil control valves for any faults.
  3. Replace any faulty components identified during the inspection.
  4. Clear the DTC and reset the ECM to see if the code reappears.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the engine is running smoothly.

Cost to Fix P0012 Infiniti

The typical repair costs for addressing the P0012 code in an Infiniti vehicle can range from $200 to $800, depending on the specific cause of the issue and the cost of replacement parts. Labor costs can vary between $80 and $150 per hour, so the total cost will depend on the amount of time required for diagnosis and repair. It's advisable to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model.

What does this mean?

Tech Notes for P0012 Infiniti

Since the Intake valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change engine oil and filter and reset engine code.





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When is the Code Detected?

When there is a gap between angle of target and phase-control angle degree, the valve will stop working and the ECM will trigger the P0011 code.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0012 Infiniti Code

1. What are the common symptoms of OBDII code P0012 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and a noticeable reduction in engine performance.

2. What are some potential causes of OBDII code P0012 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Possible causes include a faulty camshaft position sensor, a malfunctioning variable valve timing solenoid, timing chain issues, or low engine oil levels.

3. How can I diagnose the source of OBDII code P0012 in my Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Diagnose the issue by performing a visual inspection of the timing components, checking the oil levels and quality, and using a diagnostic scanner to monitor camshaft position sensor readings.

4. Is it safe to drive my Infiniti with OBDII code P0012 related to Intake Valve Timing Control Performance Bank 2?

- It is not recommended to drive your vehicle with this code present, as it can lead to further engine damage and potential safety hazards.

5. Can I reset the OBDII code P0012 in my Infiniti related to Intake Valve Timing Control Performance Bank 2 with a simple reset tool?

- While you can clear the code temporarily with a reset tool, it is important to address the underlying issue causing the fault code to prevent further problems.

6. What are some repair tips for fixing OBDII code P0012 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Repair tips include replacing the camshaft position sensor, inspecting and replacing the variable valve timing solenoid, checking the timing chain tension, and ensuring proper engine oil levels.

7. How much does it typically cost to repair OBDII code P0012 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Repair costs can vary depending on the exact cause of the issue, but expect to pay anywhere from $200 to $800 for parts and labor.

8. Can a DIY enthusiast fix OBDII code P0012 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- While some experienced DIY enthusiasts may be able to tackle this repair, it is recommended to consult a professional mechanic due to the complexity of the components involved.

9. Will replacing the engine oil resolve OBDII code P0012 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- In some cases, low or dirty engine oil can trigger this code, so changing the oil and ensuring proper levels is a good first step in troubleshooting.

10. How often does OBDII code P0012 related to Intake Valve Timing Control Performance Bank 2 occur in Infiniti vehicles?

- This code can occur sporadically in Infiniti vehicles, especially as they age and if regular maintenance is not performed on the engine components.

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