What does the DTC code p2646 stand for?
Diagnostic Trouble Code (DTC) P2646 code stands for “A” Rocker Arm Actuator System Performance/ Stuck Off (Bank 1).” It’s a generic OBD-II powertrain code supported by a variety of makes and models. VTEC is a variable valve timing system developed by Honda to improve your vehicle’s fuel efficiency.
What does Honda OBDII code p2646 mean?
P2646 HONDA Possible Causes Check engine oil level, oil condition and pressure Faulty Variable Valve Timing and Lift Electronic Control (VTEC) / Rocker Arm Oil Pressure Switch VTEC/Rocker Arm Oil Pressure Switch harness is open or shorted VTEC/Rocker Arm Oil Pressure Switch circuit poor electrical connection What does this mean?
What is the oil pressure switch on a Honda p2646?
P2646 HONDA | Rocker Arm Oil Pressure Switch Circuit Low Voltage | The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from
Why is my VTEC system not working properly?
To properly function, the VTEC system needs adequate oil level and pressure, but if there is insufficient oil in the system, there cannot be enough pressure. If all is well there, check oil viscosity. Oil that is too thin cannot build enough pressure either, and as a result, the VTEC cannot operate properly.
What does p2646 mean on an oil pressure switch?
Wiring Issue – P2646 indicates that the voltage from the VTEC/Rocker oil pressure switch is low. This means that a wiring issue very well could be at fault. Take a look at the wiring harness where it plugs into this switch. Make sure that it is undamaged and securely plugged in. Trace the wiring back and see if it is damaged anywhere.
What does DTC p2646 stand for in Honda?
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.
What does trouble code p2646 on OBD mean?
So if you are getting P2646 trouble code on your vehicle’s OBD (On-Board Diagnostics) system while facing a problem in your vehicle, and you don’t know what it means, then don’t worry we are here to give you every possible knowledge about this error code. [For Beginner] What is the OBD system?
Why is my DTC p2646 rocker arm not working?
Depending on year, make, and model, DTC P2646 may have number of causes. Here are some of the most common. Oil Problems – Low oil level, incorrect oil viscosity, or thinned oil can all cause problems with the VTEC system.