P0012 Code - Camshaft Position 'A' Timing Over-Retarded Bank 1

Quick Answer

The P0012 code indicates that the camshaft position 'A' timing is over-retarded on bank 1. Common causes include Faulty camshaft position sensor, Stuck VVT solenoid, Worn timing chain. 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 indicates Camshaft Position 'A' Timing Over-Retarded Bank 1.

Common causes

Common causes include Faulty camshaft position sensor, Stuck VVT solenoid, Worn timing chain.

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.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
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Common Causes of P0012

Symptoms of P0012

How to Fix P0012

Cost to Fix P0012

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Code P0012 Information for Specific Makes

• P0012 Audi — 'A' Camshaft Position Timing Over Retarded Bank 1
• P0012 BMW — 'A' Camshaft Position Timing Over-Retarded Bank 1
• P0012 Ford — 'A' Camshaft Position Timing Over-Retarded Bank 1
• P0012 Hyundai — 'A' Camshaft Position- Timing Over-Retarded Or System Performance- Bank 1
• P0012 Infiniti — Intake Valve Timing Control Performance Bank 2
• P0012 KIA — 'A' Camshaft Position- Timing Over-Retarded Or System Performance- Bank 1
• P0012 Lexus — Camshaft Position 'A' Timing Over-Retarded Bank 1
• P0012 Lincoln — 'A' Camshaft Position Timing Over-Retarded Bank 1
• P0012 Mazda — CMP Timing Over Retard Right side
• P0012 Mercedes-Benz — 'A' Camshaft Position Timing Over Retarded Bank 1
• P0012 Mercury — 'A' Camshaft Position Timing Over-Retarded Bank 1
• P0012 MINI — 'A' Camshaft Position Timing Over-Retarded Bank 1
• P0012 Mitsubishi — Camshaft Position Timing Over-Retard
• P0012 Nissan — Intake Valve Timing Control Performance Bank 2
• P0012 Scion — Camshaft Position 'A' Timing Over-Retarded Bank 1
• P0012 Toyota — Camshaft Position 'A' Timing Over-Retarded Bank 1
• P0012 Volkswagen — 'A' Camshaft Position Timing Over Retarded Bank 1
• P0012 Volvo — Camshaft Position 'A' Timing Over-Retarded Bank 1

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 Code

1. What are the common symptoms of OBDII code P0012?

- Common symptoms include rough idling, decreased engine performance, engine misfires, and potentially stalling.

2. What causes OBDII code P0012 to trigger?

- The code is usually triggered by a camshaft position sensor or actuator that is not functioning correctly, leading to over-retarded timing in Bank 1.

3. How do I repair OBDII code P0012?

- Repair typically involves inspecting and replacing the camshaft position sensor, camshaft position actuator, or timing chain components if necessary.

4. Can a dirty engine oil cause OBDII code P0012?

- Yes, dirty or low-quality engine oil can affect the performance of the camshaft position components and potentially trigger code P0012.

5. Is it safe to continue driving with OBDII code P0012 present?

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

6. Can a faulty timing chain be the cause of OBDII code P0012?

- Yes, a faulty timing chain that affects the camshaft timing can be a potential cause of code P0012.

7. How can I prevent OBDII code P0012 from recurring?

- Regular maintenance, including timely oil changes using the correct grade of oil, can help prevent the recurrence of this code.

8. Will resetting the OBDII code P0012 resolve the issue?

- While resetting the code may temporarily turn off the check engine light, it will not fix the underlying issue causing code P0012.

9. Can a mechanic diagnose OBDII code P0012 with specialized equipment?

- Yes, a mechanic can use diagnostic tools to pinpoint the exact cause of code P0012 and recommend the appropriate repairs.

10. Are there any recalls related to OBDII code P0012 for specific vehicle models?

- It is recommended to check with the vehicle manufacturer or authorized service center for any recalls related to code P0012 for your specific vehicle model.