DTC P2646 is a generic OBD-II powertrain code. It’s set by your Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for Bank 1 has a performance problem or is stuck off. Some vehicles, such as the Honda Accord, Honda Element, or Acura TL, come with Variable Valve ...P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Accord. This code indicates that there is an issue with rocker arm oil pressure switch. The Rocker arm oil pressure switch verifies the correct oil pressure in the Variable Valve Timing (VVT) mechanism, and is often referred to as theAug 4, 2006 · The code came up P2646 (rocker arm off or stuck). I took the info and drove about 20 more total miles and then it happened once again. I looked at the some info online and decided it might be VTEC oil pressure switch related as the code diagnostics said. SO I picked up one up and installed it. What’s weird is that the 03 crv does not have a p2646 code, it rather a p1259 vtec malfunction code; whereas the 03 element does have a p2646 Code. And the crv manual I looked at lists 02-03 models. ... crvownersclub.com is an independent Honda enthusiast website owned and operated by VerticalScope Inc. Content on …DTC P2646 is defined as “Rocker Arm Actuator A, Bank 1, Performance or Stuck Off.” Honda, Acura, and a couple other automakers use this definition. What are the common causes of code P2646? Depending on year, make, and model, DTC P2646 may have number of causes. Here are some of the most common.For manufacturers willing and able to make in America, the IRA is a blessing—for all others, it’s a spoke in their wheel. Japan’s Honda and South Korea’s LG have together earmarked...Jan 4, 2009 · I do not own a service manual. My Malfunction Indicator Lamp (MIL) came on yesterday. I took the Element to AutoZone for them to put their scanner on it and was told "P2646: Rocker arm actuator A- Bank 1 Perf. or Stuck off." I also used canobd2.com and for Honda they list P2646 as: "A Rocker Arm Actuator System Performance or Stuck Off Bank 1 ... 2005 honda element 2.4L code PO135 AF sensor S1 heater circuit malfunction, replaced o2 sensor, 2nd code P2646 VTEC pressure switch circuit voltage low, replaced with new switch update version still d … read moreThe P2646 code is what we call a generic OBD-II code. The term stands for “Rocker Arm Oil Pressure Switch Circuit Low Voltage.” In less jargon-filled terms, your car’s brain, aka …103 satisfied customers. I have a Vtec low pressure code p2646. The code is P2646. yes. I replaced the pressure switchsolenoid assembly with the little screen on the back left of the engine, and the pressure sensor located … read more. Ricardo Hohl. Auto Motive Instructor.Service Bulletin 13-021. (g)HONDA Service Bulletin 13-021. September 16, 2015 49031-02409 Version 3. MIL Comes ON with DTC P2646/P2651 or P2647/P2652. (Supersedes 13-021, dated February 28, 2013, to revise the information highlighted in yellow) AFFECTED VEHICLES Year Model Trim VIN Range 2003-12 Accord L4 ALL ALL 2012-13 Civic ALL except Si and ...08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil.Cars that have timing chains instead of timing belts include the 2006 to 2016 Honda Civic, 2003 to 2016 Honda CR-V and Accord 2.4 and 2003 to 2011 Honda Element. Timing chains and ...backgournd: 2008 honda element ~150K miles, no other issues or codes, change oil every 5k with specified weight. Current oil level is full and has about 500 miles usage. ... The P2646 code sets when the ECM does not see the rocker arm oil switch change state when the rocker arm oil control solenoid is switched on. Simple, except …#1 · May 12, 2018 (Edited) Hello everyone! Bought 2003 element. Check engine was on and code was P2646. The car didn’t want to go over 3500 rev. I replaced screens on …Aug 4, 2017 · 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. 2003 EX AWD 207k miles. I washed my engine bay, then it kicked a P2647 code. I cleaned the terminals and applied dielectric grease, didn't help. So I ordered a new actuator, gaskets, screens. Replaced everything, dumped the oil and replaced the oil and filter, 5w-20 oil so I know it's the right viscosity. Re-cleaned the electrical connectors ...Dreaded VTEC P2646 code - Tried everything. Well, my 2005 Element (212K miles) became infected with the P2646 VTEC malfunction code last week. CEL comes on and goes into limp mode (won't go over 2800 RPM). Turn the ignition off and back on, and it goes out of limp mode but usually comes back on soon.The dreaded P2646. I have a relatively high mileage 2007 EX-P 5MT 4WD with 259K. About 10K ago, I got the triple play of check engine and VSA lights and limp mode, Replaced the VTEC spool valve assembly with a (should have known better) aftermarket part. Flash forward to last week, about 7K miles later, same thing, deja vu.P0118 *Engine Coolant Temperature (ECT) sensor circuit high input. P0119 Engine coolant temperature circuit intermittent. P0120 Throttle position sensor/switch A circuit malfunction. P0121 Throttle position …The 1975 Honda CB400 motorcycle was affordable, technically advanced, and deceptively quick. Learn more and see pictures of the lean 1975 Honda CB400. Advertisement The 1975 Honda ...VTEC problem: Code P2646 (also 2647, 2648, 2649) Note the distinction between VTC and VTEC, as Lizzurd explains in this post. Yours is the first post I can recall seeing with P0011, a VTC-specific code. Still, the …2003 honda element k24a4 throwing P2646. Cleaned screens, oil change with filter, replaced entire vtec spool/oil pressure switch, and vvt solenoid. still throwing code ... 2005 honda element 2.4L code PO135 AF sensor S1 …08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil.P2646, which is an OBD-II generic code for the engine control module (E... This is basically Part 2 in a conquest to solve P2646 for my brother's Honda Accord. P2646, which is an OBD-II generic ...Causes of code P2646 on a Honda CR-V. There are several potential causes for code P2646 on a Honda CR-V: 1. Defective VVT oil pressure switch: The switch may be faulty or malfunctioning, causing incorrect signals to be sent to the engine control module (ECM).Dreaded VTEC P2646 code - Tried everything. Well, my 2005 Element (212K miles) became infected with the P2646 VTEC malfunction code last week. CEL comes on and goes into limp mode (won't go over 2800 RPM). Turn the ignition off and back on, and it goes out of limp mode but usually comes back on soon.Well i have the p2646 code and my car won't rev past 3000rpm. I bought a new vtec oil pressure switch for $72 and it didn't fix the problem :- ... Element Owners Club is your go to forum community to discuss your Honda Element, and get ideas from your next great trip to your next Honda Element Mod. Show Less . Full Forum Listing. …I'm new to the forum and appreciate everyone's experience. My '03 Element, 115K, has had a shudder at low-load 1600 rpm occasionally and now the check engine light has come on. Local shop computer says P2646. (The Honda dealer replaced the VTEC unit a couple of years ago when I had trouble accelerating, a different symptom than the current one).Element Owners Club. General Honda Element Discussion. Code p2646. Tags help please. Jump to Latest Follow 1K views 4 ...Jul 1, 2017 · G101 is the one on top right of the intake. Spliced a new wire and voila, no more voltage on pin 1. Back together, clear codes and test drive, P2646 the moment it hits 3k rpm. I didn't have the oil pressure tester to go through the procedure for P2646 so we ordered one and waited. If the oil is dirty or hasn’t been changed in a while, try changing the oil as well. Note 2: I have also had success performing an engine flush to clear the P2647 code. It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue.Here are some of the tools that jimthecarguy useshttps://www.amazon.com/shop/jimthecarguyIn This Video I Will Show You How To Replace The Solenoid Assembly O...Fleetw00d. P2646 will cause your engine to go into limp mode at about 3000 rpm which is why you're experiencing the "sputtering". It is not in vain, but do not just simply throw parts at it. P0420 is a catalytic converter efficiency code; it may set the code, but shouldn't cause drivability issues like the P2646.P2646 Code on 2004 Honda Element. Maintenance/Repairs. element, oil-changes, engines, oil, honda. Misael_Ramos December 24, 2018, 5:04am 1. Check engine came on and it read P2646 which is apparently as a result of engine sludge immobilizing a rocker arm actuator. Should I do a flush? With what? Solution was to replace the spool …Here's the history: Get P2646 (actuator arm stuck, bank 1) error: -Replace VTEC solenoid -Replace oil pressure switch -Clean front oil screen behind power steering pump -Replace coils and plugs -Problem goes away. Soon after, get another P2646 and P0302 (cylinder misfire): -take to shop, one of the coils i had replaced was bad (bought off ...P2646 Honda Code - Rocker Arm Oil Pressure Switch Circuit Low Voltage. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for P2646 Honda Questions and Answers.2788 posts · Joined 2017. #1 · Jun 24, 2019. After one year and 15K miles, I got my first (hopefully not major) issue with my 2003 EX Auto (now at 126K mile). Yes, the dreaded P2646 Code! : - (. My CEL came on and the engine will not rev past 3000 RPM; but seems to run smoothly otherwise. I got it checked at Auto Zone (don't have my own ...What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.The P2646 code is what we call a generic OBD-II code. The term stands for “Rocker Arm Oil Pressure Switch Circuit Low Voltage.” In less jargon-filled terms, your car’s brain, aka the Engine Control Module (ECM) , isn’t happy with the voltage it’s getting from a specific oil pressure switch.I just changed radiator & a few days later my wife said CEL is on. I checked oil & was at add line, so I added a qt. Reset CEL with battery disconnected, & test drove .OK. But later that night CEL came on. I dropped gear shifter into 2nd to raise rpm & at 3K ish & limp mode kicked in. I did not get anyone to pull codes yet but wag it is the ...Current Procedural Terminology code 99203 is a code medical professionals use for billing when three elements of a patient visit are met: a detailed patient history, a detailed exa...Aug 4, 2012 · I have a 2003 Element 2WD A/T with 146000 miles. I recently adjusted the valves and performed an oil change because it wouldn't idle properly and was throwing the dreaded P2646 code. The idle cleared up perfectly, found the exhaust valves were tight as hell. I removed the spool valve at this time and cleaned the screen, replaced it, P2646 ... DTC P2646 is a generic OBD-II powertrain code. It’s set by your Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for Bank 1 has a performance problem or is stuck off. Some vehicles, such as the Honda Accord, Honda Element, or Acura TL, come with Variable Valve ...I'm new to the forum and appreciate everyone's experience. My '03 Element, 115K, has had a shudder at low-load 1600 rpm occasionally and now the check engine light has come on. Local shop computer says P2646. (The Honda dealer replaced the VTEC unit a couple of years ago when I had trouble accelerating, a different symptom than the current one).After buying a new code reader from AutoZone to replace an old failed one, I found I had the now legendary P2646 code. This is the first thing that has gone wrong with it since I bought it used 4 years ago. ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. …Honda’s new goal is to achieve 100% EV sales in North America by 2040 as part of its broader target of being carbon neutral by 2050. CEO Toshihiro Mibe announced the planned shift ...I have a 2007 Element, SC. It has 210,000 miles on the car. At 200,000 I had a P2646 code pop up. Check engine light came on, VSA and The triangle and exclamation mark. The vehicle bucked and shook on hard acceleration. I was out of town and had a local mechanic change out the VVT pressure switch, change the oil.Element Owners Club. General Honda Element Discussion. Code p2646. Tags help please. Jump to Latest Follow 1K views 4 ...08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil.72 posts · Joined 2021. #1 · Mar 5, 2024. Hello! I know that the famous P2646 code has been discussed in depth, but i have a question about it that I haven’t seen addressed yet. My 2006 E (Atomic Blue) threw the code & went into limp mode 2 months ago. Did everything, replace Vtek valve with OEM, clean screens, replace oil pressure …2788 posts · Joined 2017. #1 · Jun 24, 2019. After one year and 15K miles, I got my first (hopefully not major) issue with my 2003 EX Auto (now at 126K mile). Yes, the dreaded P2646 Code! : - (. My CEL came on and the engine will not rev past 3000 RPM; but seems to run smoothly otherwise. I got it checked at Auto Zone (don't have my own ... Learn how to fix ERROR CODE P2646 on your HONDA with the 2.4L engine.If this video is helpful, give it a "thumbs up" and consider subscribing to our channel.... 1. Check Oil Level: Inadequate oil levels can trigger these codes. Sometimes, a refill or oil change followed by code reset can resolve the issue. 2. Reset …Feb 4, 2020 · Diagnosis of a P2646 code on a 2007 Honda CR-V. Rocker Arm Actuator System PerformanceDisclaimer:Due to factors beyond the control of CharlesAndCars, it cann... I am a new Element owner, and have only a few hours behind the wheel. The P2646 appeared for the first time this afternoon. Will begin checking connectors and probably order a replacement pressure switch, Gaskets (and …I have a 2007 Element, SC. It has 210,000 miles on the car. At 200,000 I had a P2646 code pop up. Check engine light came on, VSA and The triangle and exclamation mark. The vehicle bucked and shook on hard acceleration. I was out of town and had a local mechanic change out the VVT pressure switch, change the oil.May 12, 2018 · Bought 2003 element. Check engine was on and code was P2646. The car didn’t want to go over 3500 rev. I replaced screens on solenoids and one extra under the lid. Problem solved. Traveled 800 miles in 2 days and on highway code popped up again. IF, AFTER ALL OF THAT, YOU STILL HAVE A RETURNING P2646/47 CODE, THEN YOU MAY CONSIDER PROCEEDING WITH THIS BYPASS. ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. Like. Show more replies. 0 Reply. …Cars that have timing chains instead of timing belts include the 2006 to 2016 Honda Civic, 2003 to 2016 Honda CR-V and Accord 2.4 and 2003 to 2011 Honda Element. Timing chains and ...2003 honda element k24a4 throwing P2646. Cleaned screens, oil change with filter, replaced entire vtec spool/oil pressure switch, and vvt solenoid. still throwing code ... 2005 honda element 2.4L code PO135 AF sensor S1 …Honda’s new goal is to achieve 100% EV sales in North America by 2040 as part of its broader target of being carbon neutral by 2050. CEO Toshihiro Mibe announced the planned shift ...P2646 Honda Code - Rocker Arm Oil Pressure Switch Circuit Low Voltage. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring …The dreaded P2647. I have been using this great forum to try and solve my CEL code. So far I have changed the oil pressure switch, cleaned both screens and the front and back of the head and even changed to a honda oil filter. So far I haven't fixed anything. The light only comes on when it's cold and once warmed up it will go away.5 Posts. #55 · Mar 14, 2022. 10/08/2021 – First time my element (07 5spd 150k) had the issue, about 4 hours into a road trip, code P2646. Anytime you stay above 2700RPM for 10 seconds it engages limp mode. We bought an entire solenoid assembly (aftermarket) (casting, solenoid, pressure switch, gasket screen, etc.).