Engine-CodesScion – P0024 Scion

P0024 Scion Code - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 2

Quick Answer

The P0024 diagnostic trouble code for Scion vehicles indicates that the camshaft position 'B' timing is over-advanced or there is a performance issue within bank 2 of the engine. Common causes include Faulty camshaft position sensor, VVT solenoid malfunction, Timing chain or belt issues. 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
P0024 Scion indicates Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 2.
Common causes
Common causes include Faulty camshaft position sensor, VVT solenoid malfunction, Timing chain or belt issues.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0024 Scion Description

The P0024 diagnostic trouble code for Scion vehicles indicates that the camshaft position 'B' timing is over-advanced or there is a performance issue within bank 2 of the engine. This code is typically seen in vehicles with variable valve timing (VVT) systems, where the camshaft position is controlled by the engine's computer to optimize performance and fuel efficiency. When the camshaft timing is over-advanced, it means that the camshaft is not in the correct position in relation to the crankshaft, leading to potential performance issues.

OBDII Code P0024 Scion - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 2
P0024 Scion Code - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 2

Common Causes of P0024 Scion

  1. Faulty camshaft position sensor
  2. VVT solenoid malfunction
  3. Timing chain or belt issues
  4. Engine oil sludge buildup affecting VVT system
  5. Engine computer (ECU) malfunction

Symptoms of P0024 Scion

  1. Reduced engine performance
  2. Rough idling or stalling
  3. Engine misfires
  4. Check Engine Light illuminated
  5. Decreased fuel efficiency

How to Fix P0024 Scion

  1. Perform a thorough diagnostic scan to confirm the P0024 code and identify the specific cause of the issue.
  2. Inspect the camshaft position sensor and VVT solenoid for any signs of damage or malfunction.
  3. Check the timing chain or belt for proper tension and alignment, replacing if necessary.
  4. Clean or replace engine oil to address any sludge buildup that may be affecting the VVT system.
  5. Reset the ECU and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0024 Scion

The typical repair costs for addressing a P0024 code in a Scion vehicle can range from $200 to $800, depending on the specific cause of the issue and the extent of repairs needed. This estimate includes parts and labor, but it's important to note that actual costs can vary based on factors such as location, vehicle make and model, and the hourly labor rates of the auto repair shop. It's recommended to obtain a detailed quote from a trusted mechanic or dealership to get a more accurate cost estimate for this repair.

Tech Notes for P0024 Scion

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

When is the Code Detected?

After the ECM sends the target duty cycle signal to the OCV, the ECM monitors the OCV current to establish an actual duty cycle. The ECM determines the existence of a malfunction and sets the DTC when the actual duty cycle ratio varies from the target duty cycle ratio.

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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 P0024 Scion Code

1. What does the OBDII code P0024 mean for a Scion?

P0024 indicates that the camshaft position timing for Bank 2, Camshaft 'B' (exhaust camshaft), is more advanced than desired by the engine control module (ECM).

2. What are the common symptoms of the P0024 code in a Scion?

Symptoms may include rough idling, reduced engine performance, poor fuel economy, engine stalling, or the Check Engine Light illuminating.

3. What causes the P0024 code to trigger?

Possible causes include a malfunctioning variable valve timing (VVT) solenoid, low or dirty engine oil, a stuck camshaft phaser, or a timing chain that is stretched or improperly aligned.

4. Is it safe to drive with the P0024 code?

Driving with this code can lead to further engine damage if the timing issue persists. It’s best to address the problem as soon as possible.

5. How can low oil levels cause the P0024 code?

The variable valve timing system relies on proper oil pressure to function. Low or dirty oil can interfere with the VVT solenoid or camshaft phaser operation.

6. How is the P0024 code diagnosed?

A mechanic will typically inspect the engine oil condition, test the VVT solenoid and camshaft phaser, check for timing chain wear, and ensure proper alignment of timing components.

7. Can a faulty VVT solenoid cause the P0024 code?

Yes, a faulty or clogged VVT solenoid can disrupt the oil flow needed to adjust camshaft timing, leading to the P0024 code.

8. What repairs can fix the P0024 code in a Scion?

Repairs may include replacing the VVT solenoid, cleaning or replacing the camshaft phaser, changing the engine oil, or replacing a stretched timing chain.

9. How much does it cost to fix a P0024 code?

Repair costs vary depending on the issue. Replacing the VVT solenoid may cost $150-$300, while timing chain repairs can exceed $1,000 due to labor.

10. Can software updates resolve the P0024 code?

In rare cases, an ECM software update may address timing calibration issues. However, mechanical problems are more commonly the cause.

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