How do I fix error code P2646?

What repairs can fix the P2646 code?

Replacing the ‘A’ rocker arm actuator.
Repairing the wiring harness or connector to the actuator.
Changing the oil and filter to the correct viscosity oil.
Flush the engine passages of sludge from lack of oil changes.

Can low oil cause P2646?

Even if you are sure of the oil weight, take a look at the dipstick. If it does look milky, you could have some coolant leaking into the oil pan. This would hurt the oil’s viscosity and trigger the P2646. Low Oil– If the dipstick is not registering oil at all, it may be too low for the VTEC system to function properly.

How do you know if a rocker arm is bad?

Any kind of fault and damage to rocker arm will reduce the power of the engine and even it can cause complete failure of the engine….Common Symptoms of the Bad Rocker Arm:

1 Clicking or Ticking Noises:
2 Weak Engine Performance or Stalling:
3 Engine Light On:
4 Physical Deterioration:

What is code P2646 Honda?

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?

How much does it cost to repair a p2646 Honda?

Cost of diagnosing the P2646 HONDA code Labor: 1.0 The cost of diagnosing the P2646 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. P2646 HONDA Possible Symptoms

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

What causes Honda engine light to set p2652?

The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. There is a Factory Service Bulletin for the following Honda Models