P0012 Infiniti Code - Intake Valve Timing Control Performance Bank 2
Quick Answer
This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the intake valve. Common causes include Low or Dirty Engine Oil, Faulty Intake valve timing control solenoid valve, Crankshaft position sensor (POS) may be faulty. 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 Low or Dirty Engine Oil, Faulty Intake valve timing control solenoid valve, Crankshaft position sensor (POS) may be faulty.
- 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.
Code P0012 Infiniti Description
The ECM receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the intake valve timing control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.
The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow. The longer pulse width advances valve angle. The shorter pulse width retards valve angle. When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.
What are the Possible Causes of the DTC P0012 Infiniti?
- Low or Dirty Engine Oil
- Faulty Intake valve timing control solenoid valve
- Crankshaft position sensor (POS) may be faulty
- Camshaft position sensor
- Intake valve timing control solenoid valve harness is open or shorted
- Intake valve timing control solenoid valve circuit poor electrical connection
How to Fix the DTC P0012 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0012 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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