AutoCodes – Chevrolet – P16D3 Chevrolet

P16D3 Chevrolet Code - Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage

Quick Answer

The rocker arm actuator system enables the Engine Control Module (ECM) to change the camshaft lift and duration while the engine is operating. Common causes include Faulty Intake Rocker Arm Solenoid Valve 2, Intake Rocker Arm Solenoid Valve 2 harness is open or shorted, Intake Rocker Arm Solenoid Valve 2 circuit poor electrical connection. 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: P16D3 Chevrolet indicates Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage.
Common causes: Common causes include Faulty Intake Rocker Arm Solenoid Valve 2, Intake Rocker Arm Solenoid Valve 2 harness is open or shorted, Intake Rocker Arm Solenoid Valve 2 circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,256

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P16D3 Chevrolet Description

The rocker arm actuator system enables the Engine Control Module (ECM) to change the camshaft lift and duration while the engine is operating. The camshaft has 3 lobes for each intake valve. The inner lobe is for low lift and the 2 outer lobes are for high lift. The rocker arm solenoid valve controls the 2-step lift by controlling the oil flow to the rocker arm. In default mode, a locking pin locks the inner and outer mechanisms of the rocker arm together to provide high lift. When low lift is commanded, oil pressure retracts a locking pin within the rocker arm.
The rocker arm solenoid valve receives a signal from the ECM. The ECM controls the rocker arm solenoid valve by supplying a 12 V PWM signal. The ECM supplies a ground to the low reference circuit.

OBDII Code P16D3 Chevrolet - Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage - AutoCodes.com — P16D3 Chevrolet Code - Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P16D3 Chevrolet?

Faulty Intake Rocker Arm Solenoid Valve 2
Intake Rocker Arm Solenoid Valve 2 harness is open or shorted
Intake Rocker Arm Solenoid Valve 2 circuit poor electrical connection

How to Fix the DTC P16D3 Chevrolet?

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 P16D3 Chevrolet 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 P16D3 Chevrolet code?

Need more information on how to fix the P16D3 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16D3 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 P16D3 Chevrolet Code

1. What are the common symptoms of OBDII code P16D3 in a Chevrolet related to the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage?

- Common symptoms include rough idling, engine misfires, decreased fuel efficiency, and potentially a Check Engine light.

2. What are the possible causes of OBDII code P16D3 in a Chevrolet indicating an issue with the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage?

- Possible causes include a faulty rocker arm solenoid valve, damaged wiring or connectors, low engine oil level, or issues with the engine control module.

3. How can I diagnose the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage issue associated with OBDII code P16D3 in my Chevrolet?

- You can diagnose the issue by performing a visual inspection of the solenoid valve and its wiring, testing the valve's resistance, checking oil levels, and using a scan tool to monitor live data while the engine is running.

4. What are the repair options for fixing OBDII code P16D3 related to the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage in a Chevrolet?

- Repair options include replacing the faulty rocker arm solenoid valve, repairing or replacing damaged wiring or connectors, ensuring the engine has proper oil levels, and resetting the fault codes.

5. Can I continue driving my Chevrolet with OBDII code P16D3 indicating an issue with the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage?

- It is not recommended to continue driving with this code present, as it can lead to further engine issues and potential damage if left unresolved.

6. How much does it typically cost to repair OBDII code P16D3 related to the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage in a Chevrolet?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $500 for parts and labor.

7. Is it possible to reset the OBDII code P16D3 without fixing the underlying issue with the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage in a Chevrolet?

- While you can clear the code temporarily, it is important to address the underlying issue to prevent further problems and ensure optimal engine performance.

8. How can I prevent OBDII code P16D3 from reoccurring in my Chevrolet after repairing the Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage issue?

- To prevent the code from reoccurring, regularly check and maintain proper engine oil levels, inspect wiring and connectors for damage, and address any other potential causes promptly.