AutoCodesScion – P0024 Scion

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

Quick Answer

The Engine Control Module (ECM) controls the Oil Control Valve (OCV) to regulate the intake camshaft angle. Common causes include Dirty Oil, Variable Valve Timing (VVT) circuit is open or shorted, Oil Control Valve (OCV) circuit is open or shorted. 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 Dirty Oil, Variable Valve Timing (VVT) circuit is open or shorted, Oil Control Valve (OCV) circuit is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,185
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0024 Scion Description

The Engine Control Module (ECM) controls the Oil Control Valve (OCV) to regulate the intake camshaft angle. As a result of the angle change, the engine timing is advance or retard. Optimizing engine timing will help the engine improve torque and fuel economy, and the exhaust emissions decrease under overall driving conditions. The Variable Valve Timing (VVT) system includes the Oil Control Valve (OCV) and VVT controller. The ECM detects the actual intake valve timing using signals from the camshaft and crankshaft position sensors, and performs feedback control.
OBDII Code P0024 Scion - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 2 - AutoCodes.com
P0024 Scion Code - Camshaft Position 'B' Timing Over-Advanced or System Performance Bank 2

What are the Possible Causes of the DTC P0024 Scion?

  • Dirty Oil
  • Variable Valve Timing (VVT) circuit is open or shorted
  • Oil Control Valve (OCV) circuit is open or shorted
  • Faulty variable valve timing (VVT)
  • Faulty oil control valve (OCV)
  • Damaged Engine Control Module (ECM)

How to Fix the DTC P0024 Scion?

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 P0024 Scion 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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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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