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P0011 Scion Code - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1

- Code Popularity: 25,627 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0011 Scion?

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)
⚠ Does your Scion have Safety Recalls? → Check here

How to Fix the DTC P0011 Scion?

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

There is a Factory Service Bulletin for following Scion models.
2005-2006 Scion xA
2006-2006 Scion xB
Scion Factory Service Bulletin OBDII Code P0011

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0011 Scion 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 P0011 Scion 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 intake valve timing using the Variable Valve Timing (VVT) system to control the intake camshaft. The VVT system includes the ECM, the camshaft timing oil control valve assembly and the VVT controller (camshaft timing 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 intake camshaft.
If the difference between the target and actual intake valve timing is large, and changes in the actual intake valve timing are small, the ECM interprets this as a VVT controller stuck malfunction and stores a Diagnostic Trouble Code (DTC).
OBDII Code P0011 Scion - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1 - AutoCodes.com
P0011 Scion Code - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1

Need More Information on the Code?

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Information for Specific Scion Models

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