Rocker arm oil pressure switch honda element. ” There are several fixes, but anything that prevents oil pressure to the rocker arms will cause the system to fail and give a P2646 error code. Nov 17, 2019 · The engine light came on and the code was P2646, rocker arm stuck in off position. 4 days ago · Best Sellers 15369305 Coolant Water Temperature Sensor for Chevrolet Buick Cadillac Genuine OEM for Honda Oil Pressure Sensor 37241-RNA-A01 Sending Unit Switch Honda OEM VVT Variable Valve Timing-pressure Switch 37240R70A04 Genuine Ford Ignition Lock Cylinder Fl3z-11582-b OEM Engine Oil Pressure Switch 37240-PT0-014 For Honda Element Acura TSX Aug 20, 2025 · I’ve read where the PCM/ECM could be the issue, or starter solenoid as the code is for rocker arm oil pressure switch. After some research I replaced the vvt solenoid and performed an oil change. Everything checked out. Dec 4, 2025 · My great local mech found V-tech pressure sensor ,bank 1 sensor & 1 air fuel ratio sensor shorted & replaced them. OEM Engine Oil Pressure Switch 37240-PT0-014 For Honda Element Acura TSX TL US (17) $16. Regular oil changes and using One for low speed, the other for power. Repair Information for P2651 Honda code. Learn what Rocker Arm Oil Pressure Switch 'B' Circuit Low Voltage means, location and how to repair. Replace the switch if faulty, ensuring proper torque to avoid oil leaks. VEHICLES AFFECTED 2003-12 The Rocker Arm Control Solenoid supplies hydraulic pressure to the Variable Timing mechanism. This is second ele for me but first time with P2646. POSSIBLE CAUSE The rocker arm oil pressure switch may fail intermittently. ^ P2646/P2651 (Rocker arm oil pressure switch circuit low voltage). May 1, 2024 · Dive into our comprehensive guide on 'Rocker Arm Oil Pressure Switch Functions and P2646 Troubleshooting Tips'. NOTE: The symptom may be intermittent, and you may not be able to duplicate it after cleaning the DTC. Then I checked voltage. Symptoms of a faulty switch include inaccurate oil pressure readings or warning lights. The engine light went off and all was good. but I just replaced the solenoid, checked all connections and replaced the oil. Jan 7, 2020 · P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Element. Some OBDII scan tools will also give a “VTEC Oil Pressure Switch Circuit Low Voltage. Don't forget the one behind the power steering. Codes were 2646 & P1157. Learn everything about its functionalities, common issues, and effective troubleshooting steps to keep your vehicle running smoothly. This allows the Variable Timing System to adjust valve timing as needed. This is controlled by a VTEC solenoid that routes pressurized oil to the rockers. . 98 New ---- UsedNo used products available 84222-12010 Genuine Toyota OEM Transfer Indicator Switch The rocker arm oil pressure switch on the 2004 Honda Element is located on the cylinder head near the rocker arm cover. Bottoming out and same engine code. This code indicates that there is an issue with rocker arm oil pressure switch. I was stumped all were clear. 98 New$28. 99 New$16. So here is what I did first. To troubleshoot, visually inspect the switch and wiring for damage or leaks. I checked all 3 screens. Jan 1, 2011 · Repair Information for P2646 Honda code. ^ P2647/P2652 (Rocker arm oil pressure switch circuit high voltage). Switching the rocker arm oil control solenoid on will cause oil to flow to the high-lift mechanism and turn the rocker arm oil pressure switch off. Drove another 300mi & light on again code P1009 -camshaft stuck in advance/cleared codes & calibrated. Learn what Rocker Arm Oil Pressure Switch Circuit Low Voltage means, location and how to repair. When the oil pressure is too high, it can trigger this code, signaling a potential issue with the switch or the circuit. Aug 9, 2023 · When a Honda Element shows the P2646 error code, it means that there is an issue with the rocker arm oil switch system. Fast forward to now, almost a year the the day and the same problem is happening again (194,000miles). Aug 19, 2024 · The P2647 Honda code indicates a problem with the rocker arm oil pressure switch circuit in the vehicle. Jan 4, 2024 · At this time the rocker arm oil pressure switch is on. Apr 17, 2006 · According to the service manual code 2646 is for rocker arm switch (VTEC oil pressure switch) low voltage. Jan 1, 2011 · The P2646 Honda code indicates a problem with the Rocker Arm Oil Pressure Switch Circuit, specifically that the voltage is too low. The engine's control module (PCM) uses the Rocker Arm Oil Pressure Switch to verify correct oil pressure for proper activation of the Variable Timing mechanism. The rocker arm oil pressure switch is responsible for monitoring the oil pressure in the engine to ensure proper lubrication of the rocker arms. 99 New ---- UsedNo used products available Hooke Road Driver Side 4 Switch Pod Panel Kit Fit Jeep Wrangler TJ 1997-2006 (26) $28. This switch is responsible for monitoring the oil pressure in the rocker arm assembly, which helps control the variable valve timing system. Hydraulicly controlled rocker arm pins engage the high-speed cam lobes. To make sure the system is working properly, Honda adds a VTEC oil pressure switch to the oil passage to verify the valve is working when commanded. By learning about the reasons for the error code and following the suggested steps for diagnosis and repair, the system can be fixed and restored to normal functioning. miv smq ivo aph swo gje jbw cbh tgv bkp krx zzp xnb iur som