What is an OBD2 code?

An OBD2 (On-Board Diagnostics) code is a diagnostic trouble code (DTC) generated by your vehicle's computer system when it detects a problem. These codes help identify specific issues with your vehicle's engine, transmission, emissions, or other systems.

How do I read OBD2 codes?

To read OBD2 codes, you'll need an OBD2 scanner. Plug it into your vehicle's OBD2 port (usually located under the dashboard), turn your key to the 'ON' position, and follow your scanner's instructions to retrieve the codes. Each code starts with a letter (P, B, C, or U) followed by four numbers.

What do the different types of OBD2 codes mean?

OBD2 codes are categorized by their first letter: P (Powertrain) for engine and transmission issues, B (Body) for interior systems like airbags, C (Chassis) for mechanical systems like brakes, and U (Network) for computer and module communication problems.

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Home » OBD2 Codes » P1061

Code P1061

Symptoms

• Reduced engine performance

• Engine in 'limp mode'

• Check Engine Light illuminated

Common Causes

• Faulty variable valve lift actuator

• Wiring issues in the VVL circuit

• Defective ECM

Glossary

VVL: Variable Valve Lift

ECM: Engine Control Module

Related Codes

• P1060

• P1062

Official description

VVL Limp Home Request RPM and Charge Limitation (Bank 1)

Laymans terms

This code means that the car's engine computer has detected a problem with the variable valve lift system, which helps the engine breathe better. Because of this issue, the car might not perform as well and could be in a 'limp mode' to protect the engine.

Explanation

The P1061 code is triggered when the engine control module (ECM) detects an issue with the variable valve lift (VVL) system, causing it to limit engine RPM and charge to prevent damage.

Technical description

The VVL system adjusts the lift of the engine's intake valves to optimize performance and efficiency. When the ECM detects a malfunction in this system, it may limit engine performance to prevent damage. This code specifically relates to Bank 1, which is the side of the engine with cylinder 1.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the VVL actuator and wiring for damage.

• Test the ECM for proper operation.

Repair procedures

• Replace the faulty VVL actuator.

• Repair or replace damaged wiring.

• Reprogram or replace the ECM if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$200 - $800

Difficulty level

Moderate

Commonly affected vehicles

• Nissan Altima

• Nissan Maxima

• Infiniti G35

Preventive measures

• Regular maintenance of the engine and VVL system.

• Ensure proper oil levels and quality.

• Address any Check Engine Light warnings promptly.

Error code type

Engine Performance

User experience recommendations

• Do not ignore the Check Engine Light.

• Drive cautiously and avoid high speeds until repaired.

Warranty information

Check with your vehicle manufacturer for warranty coverage on the VVL system.

Historical data

This code has been associated with VVL system issues in certain Nissan and Infiniti models, often due to actuator failures.

Urgency level

Moderate – The vehicle can still be driven but should be repaired soon to avoid further damage.

Legal and safety notice

Driving with this code may reduce engine performance and could lead to further damage if not addressed.

Testing conditions

• Engine at operating temperature

• Vehicle in drive mode

Component location

The VVL actuator is located on the engine's cylinder head, typically on Bank 1.

FAQs

Q: Can I drive with a P1061 code?
A: Yes, but it's best to get it fixed soon to avoid engine damage.

Q: What happens if I ignore this code?
A: Ignoring the code can lead to reduced engine performance and potential long-term damage.

Last updated: Jan 16, 2026 • Source: internal database

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