P2647 Code - 'A' Rocker Arm Actuator System Stuck On Bank 1
Quick Answer
The Engine Control Module (ECM) commands the Rocker Arm Actuator to control the oil hydraulic circuit. Common causes include Low or overfilled engine oil, Incorrect engine oil type, Faulty 'A' Rocker Arm Actuator. 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
- P2647 indicates 'A' Rocker Arm Actuator System Stuck On Bank 1.
- Common causes
- Common causes include Low or overfilled engine oil, Incorrect engine oil type, Faulty 'A' Rocker Arm Actuator.
- 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.
Code P2647 Description
What are the Possible Causes of the DTC P2647?
- Low or overfilled engine oil
- Incorrect engine oil type
- Faulty 'A' Rocker Arm Actuator
- 'A' Rocker Arm Actuator harness is open or shorted
- 'A' Rocker Arm Actuator circuit poor electrical connection
How to Fix the DTC P2647?
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 P2647 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 P2647 code?
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Information for Specific Makes
- P2647 Acura — Rocker Arm Oil Pressure Switch Circuit High Voltage
- P2647 Buick — Intake Rocker Arm Solenoid Valve 1 Stuck On
- P2647 Cadillac — Intake Rocker Arm Solenoid Valve 1 Stuck On
- P2647 Chevrolet — Intake Rocker Arm Solenoid Valve 1 Stuck On
- P2647 Dodge — 'A' Rocker Arm Actuator System Stuck On Bank 1
- P2647 GMC — Intake Rocker Arm Solenoid Valve 1 Stuck On
- P2647 Honda — Rocker Arm Oil Pressure Switch Circuit High Voltage
Frequently Asked Questions about P2647 Code
1. What are the common symptoms of OBDII code P2647 - A Rocker Arm Actuator System Stuck On Bank 1?
- Common symptoms include rough idling, reduced engine performance, and illuminated Check Engine Light.
2. What are the potential causes of OBDII code P2647?
- Possible causes include a faulty rocker arm actuator, low engine oil level or pressure, wiring issues, or a malfunctioning Engine Control Module (ECM).
3. How serious is OBDII code P2647 - A Rocker Arm Actuator System Stuck On Bank 1?
- While the vehicle may still be operable with this code, it is important to address it promptly to prevent further damage to the engine components.
4. Can I continue driving my vehicle with OBDII code P2647 present?
- It is not recommended to continue driving with this code active as it can lead to poor engine performance and potential long-term damage.
5. How can I diagnose OBDII code P2647?
- Diagnosis typically involves using a scan tool to retrieve the code, checking the rocker arm actuator for proper function, inspecting wiring connections, and verifying engine oil levels.
6. What are some repair tips for addressing OBDII code P2647?
- Repair tips may include replacing the faulty rocker arm actuator, ensuring proper engine oil levels, fixing any wiring issues, or resetting the ECM after repairs are made.
7. Is it possible to reset OBDII code P2647 without repairs?
- While clearing the code may temporarily turn off the Check Engine Light, it is important to address the underlying issue to prevent recurrence of the code.
8. How much does it typically cost to repair OBDII code P2647?
- Repair costs can vary depending on the specific cause of the code, but it may involve parts and labor expenses ranging from $200 to $600 or more.
9. Can I prevent OBDII code P2647 from occurring in the future?
- Regular maintenance, including keeping up with oil changes and monitoring engine performance, can help prevent issues that may trigger this code.
10. Will OBDII code P2647 cause my vehicle to fail an emissions test?
- Yes, vehicles with active OBDII codes like P2647 may fail emissions tests, so it is advisable to address the issue before undergoing testing.
Discuss the causes and fixes for P2647 OBDII Code
-
My civic 2006 si is giving me code p2646 A rocker arm actuator sys stuck on bank1 why caused? by the sensor and all I have to do is replace the sensor or do I have to change the whole vtec solenoid?
-
Start by changing the engine oil. Make sure you use the factory recommended engine oil.
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