AutoCodes – Toyota – P1351 Toyota

P1351 Toyota Code - Variable Valve Timing Sensor Range/Performance Problem Bank 2

Quick Answer

Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. Common causes include Dirty or low engine oil, Valve timing, Oil control valve. 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: P1351 Toyota indicates Variable Valve Timing Sensor Range/Performance Problem Bank 2.
Common causes: Common causes include Dirty or low engine oil, Valve timing, Oil control valve.
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.

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Code Popularity 32,013

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1351 Toyota Description

Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. The Engine Control Module (ECM) controls Oil Control Valve (OCV) to make the intake valve timing properly, and, oil pressure controlled with OCV is supplied to the VVT controller, and then, VVT controller changes relative position between the camshaft and the crankshaft.

OBDII Code P1351 Toyota - Variable Valve Timing Sensor Range/Performance Problem Bank 2 - AutoCodes.com — P1351 Toyota Code - Variable Valve Timing Sensor Range/Performance Problem Bank 2

What does this mean?

What are the Possible Causes of the DTC P1351 Toyota?

Dirty or low engine oil
Valve timing
Oil control valve
Variable Valve Timing controller assembly
Engine Control Module (ECM)

How to Fix the DTC P1351 Toyota?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1351 Toyota 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.

Need more information about the P1351 Toyota code?

Need more information on how to fix the P1351 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1351 Toyota Code

What does the OBDII code P1351 mean for a Toyota?

P1351 indicates a Variable Valve Timing (VVT) Sensor Range/Performance Problem in Bank 2, meaning the Engine Control Module (ECM) detects an issue with the signal from the VVT sensor on that side of the engine.

What are the common symptoms of code P1351 in a Toyota?

Common symptoms include a check engine light, reduced engine performance, rough idling, poor fuel economy, and, in some cases, difficulty starting the engine.

What causes the P1351 code to appear in a Toyota?

The code can be triggered by a faulty VVT sensor, a damaged or corroded sensor connector, wiring issues, low or dirty engine oil, or a malfunctioning ECM.

Can low engine oil cause the P1351 code on a Toyota?

Yes, low or dirty engine oil can prevent proper VVT operation, as the system relies on oil pressure to function correctly. Regular oil changes can help prevent this issue.

How do you diagnose the P1351 code on a Toyota?

Start by checking the engine oil level and condition, inspecting the VVT sensor and wiring for damage, and using a scan tool to monitor live data from the VVT sensor to confirm its performance.

Can you drive with a P1351 code on a Toyota?

While the vehicle may still be drivable, it’s not recommended to ignore the issue. Prolonged driving with this code can lead to reduced engine performance and potential damage to internal components.

How is the P1351 code typically fixed on a Toyota?

Repairs may include replacing the faulty VVT sensor, repairing or replacing damaged wiring, cleaning or replacing a corroded connector, or addressing engine oil issues.

Is the P1351 code specific to Bank 2 on a Toyota?

Yes, P1351 specifically refers to a Variable Valve Timing Sensor issue on Bank 2, which is the side of the engine opposite Bank 1. This is important when diagnosing and repairing the problem.

How much does it cost to fix the P1351 code on a Toyota?

The repair costs vary depending on the issue. Replacing a VVT sensor typically costs $150–$300, while wiring repairs or ECM replacements can be more expensive.

Can a faulty ECM cause the P1351 code on a Toyota?

Yes, though it’s less common, a malfunctioning ECM could misinterpret or fail to process the signal from the VVT sensor, leading to the P1351 code.