Engine-CodesHonda – P2652 2008 Honda Accord

P2652 2008 Honda Accord Code - Rocker Arm Oil Pressure Switch 'B' Circuit High Voltage

Quick Answer

The P2652 diagnostic trouble code (DTC) for a 2008 Honda Accord refers to the Rocker Arm Oil Pressure Switch 'B' Circuit High Voltage. Common causes include Faulty rocker arm oil pressure switch, Wiring or connector issues in the circuit, Low engine oil level or poor oil quality. 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
P2652 2008 Honda Accord indicates Rocker Arm Oil Pressure Switch 'B' Circuit High Voltage.
Common causes
Common causes include Faulty rocker arm oil pressure switch, Wiring or connector issues in the circuit, Low engine oil level or poor oil quality.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P2652 2008 Honda Accord Description

The P2652 diagnostic trouble code (DTC) for a 2008 Honda Accord refers to the Rocker Arm Oil Pressure Switch 'B' Circuit High Voltage. This code indicates that there is a high voltage condition detected in the circuit that controls the rocker arm oil pressure switch. The rocker arm oil pressure switch is responsible for monitoring the oil pressure in the engine's rocker arms and sending this information to the engine control module (ECM).

OBDII Code P2652 2008 Honda Accord - Rocker Arm Oil Pressure Switch 'B' Circuit High Voltage
P2652 2008 Honda Accord Code - Rocker Arm Oil Pressure Switch 'B' Circuit High Voltage

Common Causes of P2652 2008 Honda Accord

  1. Faulty rocker arm oil pressure switch.
  2. Wiring or connector issues in the circuit.
  3. Low engine oil level or poor oil quality.
  4. ECM software malfunction.
  5. Engine mechanical problems affecting oil pressure.

Symptoms of P2652 2008 Honda Accord

  1. Check engine light illuminated on the dashboard.
  2. Engine running rough or misfiring.
  3. Decreased fuel efficiency.
  4. Engine stalling or hesitation during acceleration.
  5. Loss of power while driving.

How to Fix P2652 2008 Honda Accord

  1. Begin by diagnosing the issue using a scan tool to confirm the P2652 code.
  2. Inspect the rocker arm oil pressure switch and its wiring for any damage or corrosion.
  3. Test the oil pressure switch using a multimeter to determine if it is functioning properly.
  4. If the switch is faulty, replace it with a new one and ensure proper installation.
  5. Clear the DTC and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P2652 2008 Honda Accord

The cost of repairing a P2652 code on a 2008 Honda Accord can vary depending on the specific cause of the issue. On average, the cost of replacing a rocker arm oil pressure switch can range from $50 to $150 for the part. Labor costs at an auto repair shop can add an additional $100 to $200, depending on the shop's hourly rates. Overall, the total repair cost for this issue could be between $150 and $350. It's important to note that prices may vary based on location and the specific circumstances of the vehicle.

Tech Notes for P2652 2008 Honda Accord

The most common problem that can set the P2652 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 P2652 2008 Honda Accord Code

1. What are the common symptoms of OBDII code P2652 in a 2008 Honda Accord?

- Common symptoms include rough engine idle, reduced engine performance, and illuminated Check Engine Light.

2. What does the OBDII code P2652 'Rocker Arm Oil Pressure Switch B Circuit High Voltage' indicate?

- This code indicates a high voltage condition in the circuit of the rocker arm oil pressure switch 'B'.

3. What are the potential causes of OBDII code P2652 in a 2008 Honda Accord?

- Possible causes include a faulty rocker arm oil pressure switch, wiring issues, low engine oil level, or a problem with the engine control module.

4. How can I diagnose the issue causing OBDII code P2652 in my 2008 Honda Accord?

- Diagnosis involves checking the rocker arm oil pressure switch for proper operation, inspecting the wiring for damage, and verifying the engine oil level.

5. Can I continue driving my 2008 Honda Accord with OBDII code P2652 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to engine damage if left unresolved.

6. How can I repair OBDII code P2652 in my 2008 Honda Accord?

- Repair typically involves replacing the faulty rocker arm oil pressure switch, repairing any damaged wiring, and clearing the code with a diagnostic tool.

7. Will resetting the Check Engine Light resolve OBDII code P2652 in my 2008 Honda Accord?

- Resetting the light may temporarily turn it off, but the underlying issue causing the code will still need to be addressed to prevent it from reoccurring.

8. How much does it cost to fix OBDII code P2652 in a 2008 Honda Accord?

- The cost of repair can vary depending on the exact cause of the code, but it may range from $100 to $300 for parts and labor.

9. Can I prevent OBDII code P2652 from occurring in my 2008 Honda Accord?

- Regular maintenance, including checking and maintaining proper engine oil levels, can help prevent issues that may trigger this code.

10. Is OBDII code P2652 a common issue in 2008 Honda Accords?

- While not extremely common, this code can occur in 2008 Honda Accords due to various factors such as wear and tear on components or electrical issues.

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