P2650

B Rocker Arm Actuator Control Circuit/Open Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable idling
Dips during acceleration

Causes

Open or short circuit in control circuit
Poor contact in connectors
VVT solenoid valve malfunction
Relay or fuse problems
Engine control unit malfunction

How to Fix

Check the integrity of wiring and connectors
Check the resistance of the solenoid valve
Check voltage at valve connector
If necessary, replace the solenoid valve
Reset the error and check the system operation

Related codes

P2646 P2647 P2651