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P0014 Lexus Code - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 1

- Code Popularity: 24,403 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0014 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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)
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How to Fix the DTC P0014 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

If the engine oil is clean and the VVT and OCV circuits are OK, replace the VVT to resolve the problem.

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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. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of power
  • Engine rough idle

Code P0014 Lexus Description

The Variable Valve Timing (VVT) system adjusts the intake valve timing to improve driveability. The engine oil pressure turns the VVT controller to adjust the valve timing.
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.

OBDII Code P0014 Lexus - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 1 - AutoCodes.com
P0014 Lexus Code - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 1

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