What is the p2647 error code for Honda?

As soon as the tachometer touched 2700 rpm, the car bucked and the check engine light (CEL) came on! Luckily I had my trusty engine code reader handy, so I pulled over and read the error code. The error was P2647. A related error is P2646. P2647 – Rocker Arm Actuator Control System Stuck On

What does the DTC code p2646 stand for?

Diagnostic Trouble Code (DTC) P2646 code stands for “A” Rocker Arm Actuator System Performance/ Stuck Off (Bank 1).” It’s a generic OBD-II powertrain code supported by a variety of makes and models. VTEC is a variable valve timing system developed by Honda to improve your vehicle’s fuel efficiency.

What causes the OBD-II trouble code p2646?

P2646 is an OBD-II generic code for the engine control module (ECM) detecting the ‘A’ rocker arm actuator control circuit for bank 1 has a performance problem or is stuck in the off position. What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1.

What should I do about my Honda Element p2646?

Mine was fixed with an OEM filter and 5w20 after trying most of what you’ve already done. After trying the spool valve, both screens, timing solenoid, way too much futzing over a year and a half. Drove it under 2800rpm for most of the year and a half, it maxxed out at 68 mph without a hill climb.

What does p2646 mean on Honda CRV?

P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the CR-V. This code indicates that there is an issue with rocker arm oil pressure switch.

What is the oil pressure switch on a Honda p2646?

P2646 HONDA | Rocker Arm Oil Pressure Switch Circuit Low Voltage | The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from

What does p2652 mean in Honda engine code?

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. The factory bulletin suggestss that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem.

What’s the VTEC code on a Honda Element?

If you get the code between idle and 2500 RPMs, and there is a good ground on the BRN/YEL wire, then you may have a faulty VTEC oil pressure switch. 3. While driving the vehicle between 2500 and 4000 RPMs, the VTEC system should engage.

How does the Honda CRV VTEC oil solenoid work?

The VTEC system increases the amount of intake valve lift for increased power. It accomplishes this by turning a control solenoid ‘ON’ to allow oil pressure into the VTEC control passages to apply pins that will lock the intake rockers. When the oil pressure is present, the pressure switch signal will go high.

What kind of error code does Honda Accord have?

This repair also applies to 2002, 2003, 2004, 2005, 2006, and 2007 Honda Accords, as well as other Honda’s using the i-VTEC engine (Honda Element, Honda Civic, Honda CRV), with perhaps some variations depending on the vehicle. This issue can also produce a P2646 error code.

What is the rocker arm actuator on a Honda?

The electronic control module regulates various actuators on the internal combustion engine and one of the actuators that ECM regulates is the rocker arm actuator. A rocket arm actuator system is a switch that controls the flow and pressure of oil in the engine and it also consists of oil passages. What causes the P2646 trouble code?

How much does it cost to repair a Honda engine code p2646?

Cost of diagnosing the P2646 HONDA code Labor: 1.0 The cost of diagnosing the P2646 HONDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. P2646 HONDA Possible Symptoms

What is DTC p2647 for Honda Odyssey touring?

This is a known issue on the 2005 Ody EX-L and Touring and is addressed via TSB 05-019 “MIL Comes On With DTC P2647” and TSB 05-037 “Product Update: MIL Comes On With DTC P2647”. The corrective action is to update the PCM software with the HDS.

Is there an easy fix for the p2647 error code?

It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue. No signal getting to the VTEC – Vehicle feels ‘gutless’ at high RPM

What can set the p2652 code on an engine?

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. The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem.

What is the problem with my Honda Odyssey?

– Honda-Tech Looks to be problem with oil getting to the vtec. Bad on running low on oil. You may have to disassemble the head/cam mech to clean/repair, if you are not skilled look up a Honda specialist mechanic. P2647 causing limp?

It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue. No signal getting to the VTEC – Vehicle feels ‘gutless’ at high RPM

What causes a VTEC control solenoid to go bad?

If your fault is NOT due to a faulty pressure switch, or an electrical circuit fault to or within the PCM, then it is either a bad VTEC control solenoid, sludge clogging the oil circuit OR low oil pressure / oil starvation. Good luck! IT IS ALREADY BROKEN DOWN AGAIN!!! The dealer where you bought it? A non -Honda dealer, right? Click to expand…

What happens when your Honda goes into limp mode?

If the VTEC doesn’t get the signal, is clogged, or leaks then problems occur. The vehicle goes into “limp mode,” meaning that you cannot accelerate beyond about 2700 RPM or so. Note 1: One thing you should check before jumping into a repair is your oil level.

What is the p2647 code on a Honda Element?

The dreaded P2647 code…. Hello all; my 2006 El came down with P 2647 – Vtec actuator stuck on bank 1. I replaced the spool valve, solenoid, actuator & both screens. No change. I was really considering replacing the ECU with a used one…but even if you change it out…it has to be reflashed in your vehicle by honda.

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. The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem.

What causes an OBDII code on a Honda?

P2647 HONDA Possible Causes 1 Check engine oil level, oil condition and pressure 2 Faulty Variable Valve Timing and Lift Electronic Control (VTEC) / Rocker Arm Oil Pressure Switch 3 VTEC/Rocker Arm Oil Pressure Switch harness is open or shorted 4 VTEC/Rocker Arm Oil Pressure Switch circuit poor electrical connection

How does the VTEC work on a Honda Accord?

It accomplishes this by turning a control solenoid ‘ON’ to allow oil pressure into the VTEC control passages to apply pins that will lock the intake rockers. When the oil pressure is present, the pressure switch signal will go high. When the control solenoid is turned ‘OFF’, the oil pressure is dumped and the oil pressure switch signal will go low.

What does the p2647 Honda engine code mean?

Before replacing any parts change the engine oil with the factory recommend oil weight. The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem. The cost to diagnose the P2647 HONDA code is 1.0 hour of labor.

What does p2647 mean in engine control module?

P2647 Meaning The Engine Control Module (ECM) commands the Rocker Arm Actuator to control the oil hydraulic circuit. Oil flows through the Rocker Arm Actuator to the variable valve timing system to adjust the engine’s valve timing. The variable valve timing (VVT) system is used to improve engine’s performance, fuel economy or emissions.

How much does it cost to repair a p2647 Honda engine?

The cost of diagnosing the P2647 HONDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. P2647 HONDA Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) P2647 Honda Description

What does the VTEC solenoid on a Honda do?

The VTEC solenoid is that switch; it diverts oil from the low-lift cam lobe to the high-lift cam lobe. If the VTEC doesn’t get the signal, is clogged, or leaks then problems occur.

What is the pressure switch on a Honda p2647?

P2647 HONDA | Rocker Arm Oil Pressure Switch Circuit High Voltage | The VTEC system activates the rocker arm oil control solenoid (VTEC solenoid valve) by command from the engine control module (ECM)/powertrain control

How much does it cost to diagnose Honda code p2647?

The cost of diagnosing the P2647 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

What is the p2647 error code for Honda Accord?

The check-engine-light came on and gave a P2647 error code. This post walks step-by-step through the easy fix. I hope you find this helpful! The vehicle I am working on here is a 2004 Honda Accord (4-cyl).

What are the common causes of code p2647?

What are the common causes of code P2647? 1 Low engine oil level or oil pressure condition 2 Defective VVT/VTEC pressure switch 3 Faulty rocker arm actuator 4 Broken or loose rocker arm 5 Open/shorted wiring/connector in the rocker arm actuator circuit

When do you have a bad Powertrain Control Module?

If you are getting codes for a faulty oxygen sensor, for example, and you have replaced all the related components but the check engine light remains illuminated, then you may have a bad PCM. The ECU is responsible for many areas of the vehicle that control whether or not the vehicle starts.

What are the symptoms of a bad engine control module?

1. Check Engine Light Turns On 2. Engine Stalling or Misfiring 3. Engine Performance Issues 4. Car Not Starting 5. Poor Fuel Economy The engine control module (ECM), also commonly referred to as the engine control unit (ECU) or powertrain control module (PCM), is one of the most important components found on virtually all modern vehicles.

What does code p2647 on OBD-II mean?

What Does Code P2647 Mean? When an OBD-II equipped vehicle has stored a code P02647, it means that the powertrain control module (PCM) has detected a valve train (rocker arm) malfunction for engine bank one. Bank 1 denotes that the problem has occurred in the bank of the engine which contains the number one cylinder.

What does code p02647 on OBD-II mean?

When an OBD-II equipped vehicle has stored a code P02647, it means that the powertrain control module (PCM) has detected a valve train (rocker arm) malfunction for engine bank one. Bank 1 denotes that the problem has occurred in the bank of the engine which contains the number one cylinder.

What causes Honda Odyssey EX L to go limp?

Here’s the deal: 2005 Odyssey Ex-l with 90k miles seems to have started acting up after some time with low oil level. After about 15 mins of driving, during which the car runs fine with no dummy lights, the car kind of goes into a limp mode or shuts down. The engine failure light and VSA lights come on and the code pops.

What is the OBD code for an Acura check engine?

P1201Cylinder 1 Misfire – Compare possible causes/symptoms for this Acura check engine light code to the Generic OBD II code P0301 P1202Cylinder 2 Misfire – Compare possible causes/symptoms for this Acura check engine light code to the Generic OBD II code P0302

Where is the DTC code on an Acura?

1. Connect SCS service connector special tool No. 07PAZ-0010100, or equivalent, to service check connector located under the passenger’s side of dash. 2. Turn the ignition on. 3. MIL will indicate DTC’s by outputting a number of flashes. Remember, these are manufacturer specific codes only.

What’s the error code on my Honda CRV?

The contest ends on June 30th, so don’t delay! Hello i have a question on my 2005 Honda CRV. It is throwing a P2646 error code. It will run fine for 15 min. or so and then it will start bucking when it reaches 2700 RPMs.

What is the p2646 code for an engine?

Code P2646 is not a very common code since most vehicles do not have actuators for the rocker arms of the engines they manufacture.

How much does it cost to repair a p2646 Honda?

Cost of diagnosing the P2646 HONDA code Labor: 1.0 The cost of diagnosing the P2646 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. P2646 HONDA Possible Symptoms