Start your diagnosis by checking for good ground on the brown/yellow wire. 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 has nothing to do with clogged screens. Meaning and Cause of the P2646 Code. 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. 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. However, Alldatadiy.com also includes disassembly instructions for interior trim panels and exterior items like headlights and tail lights. In other words, all newer makes and models (1996 and newer). 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 … 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. A glitch in the pressure switch circuitry is usually the cause of the malady. Honda has issued a service bulletin #13-021 to handle the issue on the autos listed […] Pricing: ---Eautorepair.net--- 1 month subscription $19.95 per vehicle 1-year subscription $29.95 per vehicle 4-year subscription $44.95 per vehicle ---Alldatadiy.com--- 1-year $29.95 subscription: additional vehicles $19/95 each 5-year $49.95 subscription: additional vehicles $34.95 each Which one should YOU choose? Get your answers by asking now. Here are some of the most common. 2003–12 Accord L4 2012–13 Civic ALL except Si and Hybrid ALL 2002–05 Civic Si 2002–09 CR-V 2011 CR-Z 2003–11 Element 2007–11 Fit. The VTEC oil switch is a normally closed style switch. When installing the switch, be sure to tighten it to 16 ft.-lbs. 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. 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. to fully compress the O-ring. 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. Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. In that case, make sure the oil filter is new to ensure the pressure isn’t restricted or in bypass mode. 01 Honda Odyssey is automatic, but D4 starts blinking and I have to manually shift between gears, why is this? Still have questions? 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. P2647/P2652 (rocker arm oil pressure switch circuit high voltage). 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. It indicates a problem with a pressure switch that detects if the VTEC system is working correctly. What are the common causes of code P2646? Acura/Honda says the problem is usually intermittent and may be difficult to duplicate once the DTC is cleared with a scan tool. The P2546 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. If you’re tracking down a wiring issue, Eautorepair.net is the better choice. Leave a Comment / Uncategorized / Uncategorized The vehicle may also have other trouble codes like: P2646/P2651 (rocker arm oil pressure switch circuit low voltage). Điện thoại di động. Once RPMs reach that range, the ECM activates the VTEC solenoid which opens and allows oil pressure to reach the intake valve rocker arms. 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 … p2646 honda element code. Honda has issued an updated part; pressure switch 37250-PNE-G01 and O-ring 91319-PAA-A01. (Autozone guy told me it was this part). Can I still drive my 2003 Honda Accord LX 2.4L VTEC with P2646 code.? ? In most cases, their diagrams are right from the factory manuals. Installing a new-design pressure switch and O-ring (Part Nos. Based on the service bulletin, the rocker arm pressure switch can fail on an intermittent basis. Users have reported p2646 for the following makes: Honda (especially on a Honda Accord), Chevrolet, Acura, Mitsubishi, and Toyota. How much cargo weight for moving across country in my car? This code indicates that there is an issue with rocker arm oil pressure switch. If you’ve replaced the VTEC oil pressure switch and still have code P2646 at RPMs in the 2500-400 range, you’ve got a low oil pressure issue, dirty oil, clogged VTEC screen or a problem with the VTEC assembly. P2646 Honda Fix P2646 Honda. OBD-II Code P2646 is defined as a "A" Rocker Arm Actuator System Performance/Stuck Off. 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. What are the Possible Causes of the P2646 Code? Hence the reference to "circuit". Depending on year, make, and model, DTC P2646 may have number of causes. As with other OBD-II codes, P2646 has several potential causes. You may notice a minor dip in performance and fuel mileage. Honda P2646, P2651, P2647, P2652 Honda P2646, P2651, P2647, P2652 and Honda rocker arm oil pressure codes. This issue can also produce a P2646 error code. Advance doesn't sell them. $8.69 $ 8. 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 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. Honda has issued a service bulletin #13-021 to address the problem on the vehicles listed below. P2646 2006 Honda Accord Last Post RSS. 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. It's not the VTEC solenoid, MIL on, rocker arm oil pressure switch DTC stored. 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. P2649 is a diagnostic trouble code (DTC) for "‘A’ Rocker Arm Actuator Control Circuit High Bank 1". 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. Should be OK to drive at lower speeds. 0. 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. 37250-PNE-G01 and 91319-PAA-A01, respectively) should eliminate the trouble in short order. Ổ cứng di động; Ổ cứng SSD; Laptop, Thiết bị IT; Máy ảnh, Máy quay; Máy tính bảng; Phụ kiện thiết bị số Main Menu. P2646 DODGE 'A' Rocker Arm Actuator System Performance/Stuck Off Bank 1 P2646 GMC Intake Rocker Arm Solenoid Valve 1 Stuck Off P2646 HONDA Rocker Arm … They include wiring diagrams and technical service bulletins. Alldatadiy.com, on the other hand, uses the factory diagrams. What Does Code P2647 Mean? Next, backprobe the connector to the oil switch and check for reference voltage on the blue/black wire with the engine running. Get the BEST auto repair information Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period. That saves a lot of time because you don’t have to refer back to the component locator or circuit locations. 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SOURCE: Honda Service News. Will a I4 engine work with a 6 speed transmission ? This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. authorized Honda automobile dealer. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. What Does P2646 Code Mean? 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 … Any more question: Liverhuyen2003@Yahoo.com. FREE Shipping on orders over $25 shipped by Amazon. Bank 1 in the definition indicates the engine side where the cylinder 1 is present and … 4.3 out of 5 stars 3. Honda Element P2646 OBD-II Diagnostic Powertrain (P) Trouble Code Information Page. 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