P2646 code definition 'A' Rocker Arm Actuator System Performance or Stuck Off Bank 1. 2003-2012 Honda Accord L4 2002-2005 Honda Civic Si 2002-2009 Honda CR-V 2011 Honda CR-Z 2003-2011 Honda Element 2007-2011 Honda Fit The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250 … $100 for that part is quite a markup. The trouble codes may be intermittent and not all codes may be stored in the PCM. Have replaced Vtec solenoid assembly including pressure switch. Description: Honda Civic D17A SOHC Vtec Engine Year: 2001-2005 Engine Serial Number: D17A Transmission Serial Number: N/A Engine Displacement: 1.7L Warranty: 90 Day Startup warranty on engine/transmission internals. What the P2646 code means. Is that caused by the sensor and all I have to do is replace the sensor or do I have to change the whole vtec solenoid? Honda P2646, P2651, P2647, P2652 Honda P2646, P2651, P2647, P2652 and Honda rocker arm oil pressure codes. P2646 Honda Accord ,VTC strainer. 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. 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 … Models affected by P2646 Honda and service bulletin #13-021. It does this by activating the VTEC/Rocker arm solenoid. P2646 appearing by itself does not usually correspond to any noticeable drivability symptoms. It is 5 speed manual … read more authorized Honda automobile dealer. THANK YOU!! I get home, and run the codes and it is a P2646 'A' Rocker Arm Actuator System Performance / Stuck Off Bank 1. vtec is there a senor in the gearbox which could cause this? Comment; Flag; More. P2646/P2651 (rocker arm oil pressure switch circuit low voltage). 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. Vehicle: 2004 honda civic si … Changed - Answered by a verified Mechanic for Honda Have 2005 civic ex 1.7L Throwing P2646 code. Honda has issued a service bulletin #13-021 to handle the issue on the autos listed […] 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. I was ready to trade my new Honda until he told me to wait until I got 3,000 miles on it and my gas mileage would get much better.I took the Power Steering O-Ring service bulletin linked from JustAnswer to my Acura dealer, and not only did they no-charge the o-ring, they also replaced the power steering pump at no cost. What Does P2646 Code Mean? The cost to diagnose the P2646 HONDA code is 1.0 hour of labor. All models including LX, CX, DX and EX. What is the cost to diagnose the P2646 code Labor: 1.0 The cost to diagnose the P2646 code is 1.0 hour of labor. 2004 honda civic p2646 - Answered by a verified Mechanic for Honda. Clicking this will make more experts see the question and we will remind you when it gets answered. VTEC problem: Code P2646 (also 2647, 2648, 2649) ... "Switch assy., valve timing oil pressure," Honda p/n 37250-PNE-G01, lists for $58 retail. P2646 Honda CRV Fix code P2646 Honda CRV. Have a check engine light for an oxygen sensor. Most auto repairs shops charge between $75 and $150 per hour. A P2646 trouble code on a Honda CRV with the 2.4L engine may be caused by the variable timing/lift control (VTEC) pressure switch. It would start bucking and stall out if held to the floor. Here’s how to troubleshoot the problem. P2646 Honda Description The 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 between Low and High. The auto repair labor rates vary widely across the country, and even within the same city. OBD-II Code P2646 is defined as a "A" Rocker Arm Actuator System Performance/Stuck Off. The trouble code will set if the VTEC pressure switch doesn’t open and the voltage stays low. This code indicates that there is an issue with rocker arm oil pressure switch. I have a 2005 Honda Accord and I got the Code: p2646- "A" rocker arm actuator system performance or stuck off bank 1. Here’s a great video on diagnosing P2646 from jimthecarguy on YouTube. P2646 Honda - do I have to change the vtec solenoid or just just the switch?
Lots of rain yesterday. P2646 Honda - 2005 civic lx 4dr special edition. They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance.â

The flashing Check Engine Light tells me that the engine is having a misfire condition occurring. Have 2005 civic ex 1.7L Throwing P2646 code. The VTEC system controls the variable valve timing in your Civic. Checked oil and it was pretty much empty. I would like to resolve the issue as early as possible 2010 honda civic p2646 - 2005 Honda Civic. 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. Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge, I found a p2646 code for my 2005 honda civic lx 4dr special edition. I have a 2005 Honda Accord and I got the Code: p2646- "A" rocker arm actuator system performance or stuck off bank 1. Here are the most common causes for P2646: Good luck diagnosing P2646 in your Honda Civic. 2010 honda civic p2646 - 2005 Honda Civic. This code indicates that there is an issue with rocker arm oil pressure switch. What the P2646 code means. Print this page; Share this page 2005 Honda Civic 1.6L with code P2646. I have a 2005 Honda Civic. If there is anything that you would like to add that could help someone else with this code, please leave a comment below. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Honda City P2646: Rocker Arm Oil Pressure Switch Circuit → Low Voltage, Honda CR-V P2646: Rocker Arm Oil Pressure Switch Circuit → Low Voltage, Chevy Impala: Brake Lights Stuck On → Diagnosis. P2646 2008 HONDA ACCORD Meaning 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 … P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Civic. Honda, Acura, and a couple other automakers use this definition.Depending on year, make, and model, DTC P2646 may have number of causes. The P2546 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. Want Answer 0. If your Civic getting P2646, one of the most common reasons that it pops up is the wrong weight oil was used during the last oil change, the oil level is low, or the oil is incredibly dirty. Posted by Anonymous on Jan 04, 2014. Find local automotive repair shops in your area. 2005 honda crv engine codes p2646 86-1 83-1 66-1, P2646 Honda - I Already Changed the Vtec solenoid vavle but engine light still comes on. I scanned for codes and it came up P2646. once on road will work for a bit then throw code again. If any of that sounds like it might be the case for you, start by replacing the oil with the proper oil recommended by Honda. The auto repair labor rates vary widely across the country, and even within the same city. Special Notes: Will Fit any VTEC and NON-VTEC Honda Civic 01-05. 2003-2012 Honda Accord L4 2002-2005 Honda Civic Si 2002-2009 Honda CR-V 2011 Honda CR-Z 2003-2011 Honda Element 2007-2011 Honda Fit The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem. 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 When the pressure is lower than the solenoid, the check engine light will come on and you’ll get 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. User Submitted Video. THE ROCKER ARM OIL PRESSURE SWITCH MAY NEED TO BE REPLACED. code p2646, on2005 Honda crv put a new valve and switch assembly but still have code. I was driving and my car started to jerk and i'm not sure whats wrong with it, can … read more Changed oil/filter cleared code ran and revved fine while not on road. A 2005 Honda Civic is worth between $809 and $3,065 depending on configuration, mileage and condition. I would like to resolve the issue as early as possible, P2646 VTEC oil pressure switch circuit low. 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. I found a p2646 code for my 2005 honda civic lx 4dr special edition. I was driving and my car started to jerk and i'm not sure whats wrong with it, can … read more Component Description ENGINE (PWS) Bulletin Number A-13-021 Bulletin Date Month 1307 Summary HONDA: DTC P2646/P2651 OR P2647/2652 MAY BE SET. Most auto repairs shops charge between $75 and $150 per hour.

I got a code back for a 04 Honda accord ex that says P2646 … P2647/P2652 (rocker arm oil pressure switch circuit high voltage). The Rocker Arm Control Solenoid supplies hydraulic pressure to the Variable Timing mechanism. P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Civic. My civic si is giving me code p2646 low voltage. 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 … This Honda would not run at higher speeds. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system. This allows the Variable Timing System to adjust valve timing as needed. Thank you. You may notice a minor dip in performance and fuel mileage. 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