P0014 Lexus Code - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 1
Quick Answer
The Variable Valve Timing (VVT) system adjusts the intake valve timing to improve driveability. Common causes include Low or Dirty Engine Oil, Valve timing, Faulty Camshaft Timing Oil Control Valve Assembly. 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
- P0014 Lexus indicates Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 1.
- Common causes
- Common causes include Low or Dirty Engine Oil, Valve timing, Faulty Camshaft Timing Oil Control Valve Assembly.
- 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 P0014 Lexus Description
The camshaft timing oil control valve assembly is a solenoid valve and switches the engine oil line. The valve moves when the Engine Control Module (ECM) applies 12 V to the solenoid. The ECM changes the energizing time to the solenoid (duty-cycle) in accordance with the camshaft position, crankshaft position, throttle position, etc.
The ECM optimizes the exhaust valve timing using the Variable Valve Timing (VVT) system to control the exhaust camshaft. The VVT system includes the ECM, the camshaft timing oil control valve assembly and the VVT controller (camshaft timing exhaust gear assembly). The ECM sends a target duty-cycle control signal to the camshaft timing oil control valve assembly. This control signal regulates the oil pressure supplied to the VVT controller. The VVT controller can advance or retard the exhaust camshaft.
What are the Possible Causes of the DTC P0014 Lexus?
- Low or Dirty Engine Oil
- Valve timing
- Faulty Camshaft Timing Oil Control Valve Assembly
- Camshaft Timing Oil Control Valve Assembly circuit is open or shorted
- Camshaft Timing Oil Control Valve Assembly circuit is open or shorted
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0014 Lexus?
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0014 Lexus 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 P0014 Lexus Code
1. What does the OBDII code P0014 mean on a Lexus?
P0014 indicates that the camshaft position on Bank 1, specifically Camshaft 'B,' is over-advanced or the system's timing is not performing as expected.
2. What are the symptoms of code P0014 on a Lexus?
Symptoms may include rough idling, poor acceleration, decreased fuel efficiency, hard starting, or an illuminated check engine light.
3. What causes the P0014 code to appear on a Lexus?
Common causes include a faulty variable valve timing (VVT) solenoid, dirty or low engine oil, a stuck camshaft phaser, or timing chain issues.
4. Can low oil cause the P0014 code on a Lexus?
Yes, low or dirty engine oil can cause issues with the VVT system, leading to the P0014 code.
5. How do I fix the P0014 code on my Lexus?
Start by checking the engine oil level and quality. If the oil is fine, inspect the VVT solenoid, camshaft phaser, and timing chain for wear or damage.
6. Is it safe to drive a Lexus with the P0014 code?
Driving with this code is not recommended as it can lead to further engine damage or poor performance.
7. How do I test the VVT solenoid for the P0014 code on a Lexus?
The VVT solenoid can be tested with a multimeter for electrical issues or inspected for clogging and proper operation.
8. Can a faulty timing chain cause a P0014 code on a Lexus?
Yes, a stretched or misaligned timing chain can cause incorrect camshaft timing and trigger the P0014 code.
9. Will clearing the P0014 code fix the problem on a Lexus?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
10. How much does it cost to repair the P0014 code on a Lexus?
Repair costs can range from $150 for a VVT solenoid replacement to over $1,000 for more extensive repairs like timing chain replacement, depending on the cause.
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