P2645

A Rocker Arm Actuator Control Circuit/Open Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine operation at idle
Noises from the timing belt area

Causes

Open actuator control circuit
Solenoid valve malfunction
Poor contact in the connector
Malfunction of the rocker arm actuator itself
Problems with the engine control unit

How to Fix

Check the integrity of the control circuit
Check the condition of connectors and contacts
Check the functionality of the solenoid valve
If necessary, replace the rocker arm actuator
Reset the error code and check the system operation

Related codes

P2646 P2647 P2648