Based on the service bulletin, the rocker arm pressure switch can fail on an intermittent basis. Ổ cứng di động; Ổ cứng SSD; Laptop, Thiết bị IT; Máy ảnh, Máy quay; Máy tính bảng; Phụ kiện thiết bị số P2646 HONDA Description The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from the Engine Control Module (ECM) / Powertrain Control Module (PCM), and it charges/discharges the hydraulic circuit of the VTEC mechanism that switches valve timing … The P2546 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. What are the common causes of code P2646? When installing the switch, be sure to tighten it to 16 ft.-lbs. The Rocker Arm Control Solenoid supplies hydraulic pressure to the Variable Timing mechanism. Acura/Honda says the problem is usually intermittent and may be difficult to duplicate once the DTC is cleared with a scan tool. The P2646 code indicates the problem with the rocker arm actuator which means either the actuator is not working properly or it is stuck in the off position. The VTEC system kicks in when RPMs reach the 2500-4000 range. Điện thoại di động. SOURCE: Honda Service News. P2646 is a common diagnostic trouble code that affects Honda made vehicles. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. However, Alldatadiy.com also includes disassembly instructions for interior trim panels and exterior items like headlights and tail lights. It may be just a bad connection or the switch may be faulty. What are the Possible Causes of the P2646 Code? The P2546 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. Advance doesn't sell them. NDRUSH VETC Solenoid Gasket Compatible With ACURA RDX 2013-2015,ACURA RDX 2013-2015 HONDA ACCORD CROSSTOUR 2010-2011 HONDA CROSSTOUR 2012 HONDA ODYSSEY 2008-2016 Anti-Oil Leakage. A glitch in the pressure switch circuitry is usually the cause of the malady. Knowing the root cause of a trouble code is important in diagnosis and repair. Honda has issued a service bulletin #13-021 to handle the issue on the autos listed […] Once RPMs reach that range, the ECM activates the VTEC solenoid which opens and allows oil pressure to reach the intake valve rocker arms. We recommend Torque Pro. 0. As the oil pressure rises, the oil pressure switch opens and stops the reference voltage from going to ground, so the ECM sees the full reference voltage instead of a large voltage drop. Honda OEM parts dealers on line sell thevalve assemble with the pressure switch for $286.22. P2649 is a diagnostic trouble code (DTC) for "‘A’ Rocker Arm Actuator Control Circuit High Bank 1". Users have reported p2646 for the following makes: Honda (especially on a Honda Accord), Chevrolet, Acura, Mitsubishi, and Toyota. 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. It indicates a problem with a pressure switch that detects if the VTEC system is working correctly. What Does P2646 Code Mean? Should be OK to drive at lower speeds. The ground wire is brown/yellow. Here are some of the most common. This morning as I was driving the check engine light came on, stepped hard on gas and it seemed as the car was going to die (rpms going crazy only when I step on gas hard) I accelerate normally and it doesnt do that drives fine, went to autozone they told me I had a P2646 code checked my engine oil it was a bit low so added more oil. Will the code go away, if not can I drive it for two more weeks or will it break down if I dont change the Vtec solenoid. Since I can't find a new Honda Accord 6-speed manual what would you recommend? ? Get your answers by asking now. In that case, make sure the oil filter is new to ensure the pressure isn’t restricted or in bypass mode. be. authorized Honda automobile dealer. P2646 2009 HONDA ACCORD Description The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from the Engine Control Module (ECM) / Powertrain Control Module (PCM), and it charges/discharges the hydraulic circuit of the VTEC mechanism that switches valve … Hope it helps. The defective switches are going into the open state at RPS 2500 and less when they should be in the closed position. In other words, all newer makes and models (1996 and newer). It indicates that there is an issue with rocker arm oil pressure switch. Bank 1 in the definition indicates the engine side where the cylinder 1 is present and … Honda has issued a service bulletin #13-021 to address any of these rocker arm oil codes P2646, P2651, P2647, P2652 on the vehicles listed below. 29/12/2020 2:37 pm. P2646 is a diagnostic trouble code (DTC) for "'A' Rocker Arm Actuator System Performance / Stuck Off Bank 1". The dealer here charged me $408.88. This allows the Variable Timing System to adjust valve timing as needed. That is an electrical code. Honda has issued an updated part; pressure switch 37250-PNE-G01 and O-ring 91319-PAA-A01. Still have questions? Reason for Honda Element P2646 and find the solution for the code Honda Element P2646 , we'll give to how to fix Honda Element P2646 trouble code problem. The vehicle I am working on here is a 2004 Honda Accord (4-cyl). 37250-PNE-G01 and 91319-PAA-A01, respectively) should eliminate the trouble in short order. This morning as I was driving the check engine light came on, stepped hard on gas and it seemed as the car was going to die (rpms going crazy only when I step on gas hard) I accelerate normally and it doesnt do that drives fine, went to autozone they told me I had a P2646 code checked … You need to use google (I could explain how to check this) search with the code and there is plenty on how to check and fix the issue. TITLE: Replace VTEC Oil Pressure Switch for DTC P2646, P2647. You may notice a minor dip in performance and fuel mileage. $8.69 $ 8. Some 2002-06 Honda cars and 2007-12 RDX SUVs may turn on the MIL and log rocker arm oil pressure switch DTC P2646 or P2647 in PCM memory. This time they give me a loaner car and theykeep the van for two days of trouble shooting and another day to replace whatthey finally decide they think is the problem…they think the oil pump is notproducing enough pressure. P2646 Honda Fix P2646 Honda. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. The vehicle may also have other trouble codes like: P2646/P2651 (rocker arm oil pressure switch circuit low voltage). Hence the reference to "circuit". Compatible Replacement for Honda & Acura Vehicles - 2002 - 2006 RSX 2.0L | 2003 - 2007 Accord 2.4L | 2002 - 2005 Civic 2.0L | 2002 - 2009 CR-V 2.4L | 2003 - 2011 Element 2.4L |. Main Menu. Meaning and Cause of the P2646 Code. Because it starts with the P2xxx, the P2646 is a powertrain generic, or government-required code that applies to all vehicles with the OBD-II system. That saves a lot of time because you don’t have to refer back to the component locator or circuit locations. P2646 has nothing to do with clogged screens. Alldatadiy.com, on the other hand, uses the factory diagrams. The Rocker arm oil pressure switch verifies the correct oil pressure in the Variable Valve Timing (VVT) mechanism, and is often referred to as the VTEC (Variable Valve Timing & Lift Electronic … Can I still drive my 2003 Honda Accord LX 2.4L VTEC with P2646 code.? As with other OBD-II codes, P2646 has several potential causes. This code indicates that there is an issue with rocker arm oil pressure switch. If your vehicle won't go past 3000 RPM, a check engine light (CEL) with code P2646 or P2647 shows up on your dash or your vehicle is running poorly then you may have a problem with your VTEC Solenoid. FREE Shipping on orders over $25 shipped by Amazon. Any more question: Liverhuyen2003@Yahoo.com. OBD-II Code P2646 is defined as a "A" Rocker Arm Actuator System Performance/Stuck Off. July 16, 2013 13-021 Applies To: See VEHICLES AFFECTED MIL Comes On With DTCs P2646/P2651 or P2647/P2652 (Supersedes 13-021, dated February 28, 2013, to revise the information marked by the black bars) REVISION SUMMARY • Under VEHICLES AFFECTED, 2012–13 Civic models (except Si and Hybrid) were added. The ECM provides a reference voltage to the switch on the blue/black wire and when the switch is closed, the reference voltage is grounded, so the ECM expects to see a large voltage drop. Fix P2646 Honda Shops are reporting a excessive incidence of P2646 Honda bother codes on Honda CR-V, Honda Element and Accord fashions with the two.4L engine. p2646 honda element code. Shops are reporting a high incidence of P2646 Honda trouble codes on Honda CR-V, Honda Element and Accord models with the 2.4L engine. to fully compress the O-ring. Will a I4 engine work with a 6 speed transmission ? 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. How much cargo weight for moving across country in my car? P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Accord. 01 Honda Odyssey is automatic, but D4 starts blinking and I have to manually shift between gears, why is this? The Rocker arm oil pressure switch verifies the correct oil pressure in the Variable Valve Timing (VVT) mechanism, and is often referred to as the VTEC (Variable Valve Timing & Lift Electronic Control) switch. Are Accord and Civic wheels interchangeable . Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. Leave a Comment / Uncategorized / Uncategorized Honda has issued a service bulletin #13-021 to address the problem on the vehicles listed below. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. APPLIES TO: 03-05 Accord 4-cylinder03-05 Element 02-05 CR-V. SERVICE TIP: Got a vehicle in your shop with either of these DTCs?- DTC P2646 (VTEC oil pressure switch circuit low voltage) DTC P2647 (VTEC oil pressure switch circuit high voltage) 69. P2646 2006 Honda Accord Last Post RSS. Start your diagnosis by checking for good ground on the brown/yellow wire. If you need to dig into your doors, dash or console, Alldatadiy.com is the better choice because Eautorepair.net doesn’t any interior or exterior trim or body part removal. It applies for all Honda 4cylinder engines of that time frame so,. 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