Help us to show you The OBD2 Code Information Be Applicable For Acura: Leave a comment below or tell us if the information above help you fix the code. Fixing P2646 Code: Try out these following fixes to fix the P2646 code. If the ECM detects that the system isn’t working properly, it will set a DTC (diagnostic trouble code) and illuminate the MIL (malfunction indicator lamp). Get Access to Factory Service Manuals. Before we get into the possible causes of this DTC, we need to address the function of rocker arms and camshafts. Posted and Edit by AutoCodes.com 01-10-2018, 5 Most Common Reasons for Check Engine Light, Faulty Intake Rocker Arm Solenoid Valve 1, Intake Rocker Arm Solenoid Valve 1 harness is open or shorted, Intake Rocker Arm Solenoid Valve 1 circuit poor electrical connection, Engine Light ON (or Service Engine Soon Warning Light). To conclude, the following repairs may fix the code P2646: Replacing the ‘A’ rocker arm actuator; Changing the oil and filter to improve oil viscosity; Flushing the oil passages of sludge or is it a ... Honda P2646 Rocker Arm Actuator stuck Off on 2003 Honda Element. Be sure to also read our essential guide to the best OBD2 Scanner. On idle or on the road, if … A properly working cylinder lets the air in and out with the help of valves that open and close in relation to piston position. How to repair P2647 code 'A' Rocker Arm Actuator System Stuck On Bank 1. The engine's control module (PCM) uses the Rocker Arm Oil Pressure Switch to verify … The letter B identifies the exhaust camshaft, and Bank 2 means the problem exists on the side of the engine without cylinder #1. We curate, you discover! The most common causes of this DTC have to do with oil problems and/or oil sludge, although this particular code can have a number of causes.  In any case, the most common ones are: Although the causes of the P0646 code may vary from model to model of the vehicle, the symptoms are usually experienced in the same or at least very similar ways. That being said, any code that lights up your Check Engine Light should be dealt with as quick as possible, so the P0646 code is no exception. Fruit Export Company. OBD-II Code P2646 is defined as a "A" Rocker Arm Actuator System Performance/Stuck Off. The scanner displayed the following error, To put it bluntly, P2646 indicates that there is a problem with the ‘A’ rocker arm actuator system for Bank 1, meaning it either isn’t working properly or it’s stuck in the ‘Off’ position. This site uses Akismet to reduce spam. The fix could be as simple as adding oil, or doing an oil change. Need more information on how to fix the P2647 code? Most suggestions mentioned low oil levels, or dirty oil. P2647 – Rocker Arm Actuator Control System Stuck On P2646 – Rocker Arm Actuator System Performance/Stuck Off Bank 1 These errors relate to the VTEC solenoid. The engine valve not moving as it should, causing low power condition. Start the inspection of the vehicle by checking the oil level and pressure. The vehicle’s engine relies upon oil to run smoothly and prevent damage to its network of moving parts. Điện thoại di động. What the P2646 code means 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. 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. This diagnostic fault code is a generic powertrain code, which means that it would apply to the OBD-II equipped vehicles. These links will provide more detailed insights into what code means in your vehicle: P0303 Code In fact, although generic, one could also say that this DTC has some of the properties of manufacturer-specific codes, because not all vehicles have engines with the rocker arms or actuators for the rocker arms. control module monitors this circuit depending upon the particular automobile. The rocker arm actuator is sticking intermittently. Replacing the ‘A’ rocker arm actuator, Changing the oil and filter to improve oil viscosity. Here’s how that goes: using the timing belt, a part of the crank called crankshaft drives the camshafts; these in turn press down rocker arms, which in turn press those valves. According to the dealership and O’Reilly print out it can be a number of things, so I am looking for some guidance. Misdiagnoses are costly and can actually cause further damage to the vehicle, so it’s crucial to avoid them. Your mechanic will diagnose the P2646 code by doing the following: Note: make sure you clear the code every time you perform/replace a component. You’ve seen the code’s definition – “’A’ Rocker Arm Actuator System Performance or Stuck Off Bank 1” – but unless you’re a mechanic, it doesn’t tell you much, does it? Help us improve AutoCodes.com. The valves ‘know’ when to open and when to close thanks to our vehicle parts of interest – rocker arms and camshafts. honda, accord. Yesterday the check engine light came on 03 Accord EX 4-cyl auto, the code is P2647. Southern Fruit Trading. To do this, thoroughly inspect your vehicle, especially oil and oil pressure, as well as electrical components. I get home, and run the codes and it is a P2646 'A' Rocker Arm Actuator System Performance / Stuck Off Bank 1. The trouble code P2646 can be described as A Rocker Arm Actuator System Performance/Stuck Off Bank. Having freeze frame data is important as it can tell you in what condition the vehicle was in when the P2646 code turned up. Towards the windshield and passenger's side (I think). To conclude, the following repairs may fix the code P2646: Additional Information About the Code P2646, Please use only a-z,A-Z,0-9,dash and underscores, I confirm I wish to sign up to the mailing list, P2646 OBD-II Trouble Code: ‘A’ Rocker Arm Actuator System Performance / Stuck Off Bank 1, Low quality oil/too thin or too thick oil, The rocker arm actuator is clogged with sludge, Excessive sludge in the engine preventing the rockers from moving. In this blog post, we cover everything you need to know about the “’A’ Rocker Arm Actuator System Performance / Stuck Off Bank 1” or P2646 code, including its meaning, potential causes, repairs and so much more. Learn how your comment data is processed. P0430 Code Stig. You’ve come to the right place. The scanner displayed the following error, "P2646 A rocker arm actuator system performance or stuck off bank 1". A problem with the rocker arm Actuator System performance- Stuck off bank 1...What is the - Answered by a verified Mechanic for Honda ... "A" Rocker Arm Actuator System Performance/Stuck Off" and I changed the Vtec solenoid. Although it sounds awfully complicated, the actual meaning behind this code is far from difficult to understand. The inner lobe is for low lift and the 2 … The letter ‘A’ refers to the intake camshaft, while Bank 1 simply refers to the side of the engine that has the #1 cylinder. I changed the oil, replaced the oil pressure sender switch on the Vtec actuator, and after those didnt fix it i replaced the entire Vtec actuator with a new honda part for $200. What Does Code P2647 Mean? Also check wire harness for damage and repair if necessary. products! products you will love. 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