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P2648 is a diagnostic trouble code (DTC) for "A Rocker Arm Actuator Control Circuit Low Bank 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
The P2648 code refers to a short or open electrical circuit in the rocker arm actuator control circuit for intake “A.”
When the code appears in your vehicle, it means that there is an issue, likely a short or open electrical circuit, in the rocker arm actuator control circuit. In this case, it is on the intake camshaft and in the bank of the engine that includes the number one cylinder.
The following are some of the causes of the P2648 code:
When the code stores in your vehicle, the Check Engine light will come on and stay on. However, there are some other issues that you are likely to experience when the P2648 code appears. Some of those issues include poor engine performance, choppy acceleration, and a rough and unsteady feel when the vehicle is idling.
The mechanic will want to hook up their OBD-II scanner to the vehicle’s onboard computer. This will allow the mechanic to gather data on the vehicle that can be useful during the diagnosis. In addition, they will reset the codes and test the vehicle to see if the codes return. In some cases, they won’t. This is because some older vehicles may have stored the codes by mistake. However, if the code does return, the technician knows that there are further problems with which to contend. In addition, the mechanic may reset and test the codes several times during the diagnosis and repair process as they check different areas of the vehicle and make different repairs.
Sometimes, the technicians are certain that they need to replace components such as the oil control valve or the PCM and they overlook some of the simpler solutions. For example, with the P2648 code, it might simply be stored because of low engine oil level, pressure, or viscosity.
It is vital to treat all codes as important and to have the vehicle repaired as quickly as you are able. With the P2648 code, you might still be able to drive your vehicle when the code is stored, but you will find that the vehicle does not run smoothly. Take the trip to the mechanic so you can get a proper diagnosis and so you can have the vehicle repaired.
The following are some repairs that mechanics can make to take care of the P2648 code.
If you have low oil level or low oil pressure in your vehicle, it could actually contribute to this issue and you could be more likely to get the P2648 code to appear in your vehicle. Regardless of whether you have issues driving or not, if you have any codes stored in your car or truck, it is very important that you take care of them sooner rather than later. A good mechanic can diagnose the vehicle and take care of the needed repairs so you don’t have to worry.
YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.