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P2654 Acura Code - Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1

Quick Answer

The P2654 code for Acura vehicles indicates a problem with the Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1. Common causes include Faulty Rocker Arm Oil Control Solenoid: The solenoid itself may be defective and in need of replacement, Wiring Issues: Problems with the wiring or connectors in the circuit can lead to a high voltage signal being sent to the solenoid, Engine Control Module Malfunction: A fault in the engine control module can also trigger this code by sending incorrect signals to the solenoid. 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
P2654 Acura indicates Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1.
Common causes
Common causes include Faulty Rocker Arm Oil Control Solenoid: The solenoid itself may be defective and in need of replacement, Wiring Issues: Problems with the wiring or connectors in the circuit can lead to a high voltage signal being sent to the solenoid, Engine Control Module Malfunction: A fault in the engine control module can also trigger this code by sending incorrect signals to the solenoid.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2654 Acura Description

The P2654 code for Acura vehicles indicates a problem with the Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1. This component is responsible for controlling the flow of oil to the rocker arms, which play a crucial role in the operation of the engine's valves. When the solenoid is sending a high voltage signal, it means that there is an issue with the circuit that could result in improper oil flow to the rocker arms. This can lead to various performance issues and potential long-term damage if not addressed promptly.

OBDII Code P2654 Acura - Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1
P2654 Acura Code - Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1

Common Causes of P2654 Acura

  1. Faulty Rocker Arm Oil Control Solenoid: The solenoid itself may be defective and in need of replacement.
  2. Wiring Issues: Problems with the wiring or connectors in the circuit can lead to a high voltage signal being sent to the solenoid.
  3. Engine Control Module Malfunction: A fault in the engine control module can also trigger this code by sending incorrect signals to the solenoid.
  4. Low Oil Levels: Insufficient oil levels or dirty oil can also impact the solenoid's performance and trigger this code.
  5. Mechanical Damage: Physical damage to the solenoid or related components can cause issues with the circuit and lead to a high voltage signal.

Symptoms of P2654 Acura

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
  2. Engine Misfires: A malfunctioning rocker arm oil control solenoid can lead to engine misfires or rough idling due to incorrect oil flow to the rocker arms.
  3. Reduced Power: The engine may experience a loss of power or hesitation during acceleration, as the valves may not be operating properly.
  4. Poor Fuel Efficiency: An issue with the solenoid can result in poor fuel efficiency, as the engine may not be running at optimal performance levels.
  5. Engine Stalling: In severe cases, the engine may stall due to the incorrect operation of the valves caused by the malfunctioning solenoid.

How to Fix P2654 Acura

  1. Diagnose the Issue: Begin by using a diagnostic scanner to retrieve the trouble codes and pinpoint the specific cause of the problem.
  2. Inspect the Solenoid: Check the rocker arm oil control solenoid for any signs of damage or wear, and replace it if necessary.
  3. Check Wiring: Inspect the wiring harness and connectors for any damage or corrosion, and repair or replace as needed.
  4. Test the Engine Control Module: Verify that the engine control module is functioning correctly and reprogram or replace if necessary.
  5. Clear Codes and Test Drive: After completing the repairs, clear the trouble codes from the system, and take the vehicle for a test drive to ensure that the issue has been resolved.

Cost to Fix P2654 Acura

The cost of repairing a P2654 code in an Acura vehicle can vary depending on the extent of the issue and the specific parts needed for the repair. On average, the parts required for this repair, such as a new rocker arm oil control solenoid, can range from $100 to $200. Labor costs can add an additional $100 to $200, bringing the total repair estimate to around $200 to $400. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle model.

What does this mean?

Tech Notes for P2654 Acura

The most common problem that can set the P2654 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight.

When is the Code Detected?

When a malfunction is detected during the first drive cycle, a Pending DTC is stored in the Powertrain Control Module (PCM) memory. If the malfunction returns in the next (second) drive cycle, the MIL comes on and a Confirmed DTC and the freeze data are stored.

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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 P2654 Acura Code

1. What are the common symptoms of OBDII code P2654 in an Acura related to the Rocker Arm Oil Control Solenoid 'B' Circuit High Voltage Bank 1?

Common symptoms include rough idling, engine misfires, reduced fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of the P2654 code on an Acura?

Potential causes can include a faulty rocker arm oil control solenoid, damaged wiring or connectors in the solenoid circuit, low engine oil level, or issues with the engine control module (ECM).

3. How serious is the P2654 code in an Acura?

While the code itself may not cause immediate harm to the vehicle, it can lead to poor engine performance if left unresolved. It is advisable to address the issue promptly to prevent further damage.

4. Can I continue driving my Acura with the P2654 code present?

It is generally not recommended to drive your vehicle with the P2654 code active, as it can affect engine performance and potentially lead to more severe issues over time. It is best to have the problem diagnosed and repaired as soon as possible.

5. How can I diagnose the P2654 code on my Acura?

Diagnosing the code typically involves using an OBDII scanner to retrieve the code, inspecting the rocker arm oil control solenoid and its circuit, checking for oil leaks, and testing the solenoid's functionality.

6. What are some repair tips for resolving the P2654 code in an Acura?

Repair tips may include replacing the faulty rocker arm oil control solenoid, repairing or replacing damaged wiring or connectors, ensuring the engine oil level is correct, and resetting the ECM after making repairs.

7. Can I fix the P2654 code in my Acura on my own?

Depending on your level of automotive expertise, you may be able to address the issue yourself by following repair guides or videos. However, if you are unsure, it is recommended to seek help from a professional mechanic.

8. How much does it typically cost to repair the P2654 code in an Acura?

The cost of repairing the P2654 code can vary depending on the specific cause of the issue, the labor rates in your area, and the parts needed for the repair. It is advisable to obtain quotes from different repair shops for an accurate estimate.

9. Will resetting the check engine light resolve the P2654 code in my Acura?

Simply resetting the check engine light may temporarily turn it off, but it will not address the underlying issue causing the P2654 code. It is important to diagnose and repair the problem to prevent future occurrences.

10. How long does it take to repair the P2654 code in an Acura?

The repair time for the P2654 code can vary based on the cause of the issue and the extent of the repair needed. Simple fixes may take a few hours, while more complex repairs could require more time.

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