P2649

A Rocker Arm Actuator Control Circuit High Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

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

Causes

Short circuit in actuator control circuit
Rocker arm actuator malfunction
Wiring harness damage
Problems with the engine control unit (ECU)
Poor contact in connectors

How to Fix

Check the integrity of the actuator control circuit
Check the resistance and operation of the rocker arm actuator
Inspect the wiring harness for damage
Check contacts in connectors
If necessary, replace the actuator or repair the wiring

Related codes

P2648 P2650 P2651