B rocker arm actuator stuck on Bank 2 triggers loss of power and engine warning in your vehicle—address it now with a module scan to avoid damage.

Power loss or rough run on your vehicle? P2661 means B rocker arm actuator stuck off Bank 2, risking engine damage. Scan and replace or re‑program it now.

Check engine light on your vehicle? P2660 means B Rocker Arm Actuator control circuit/open Bank 2—fix it now to avoid potential engine damage today.

Rocker‑arm actuator circuit high on Bank 2 in your vehicle – can cause valve‑train wear. Scan P2659, test the circuit, and arrange repair or reprogramming.

Low rocker‑arm actuator signal on Bank 2 causes timing errors in your vehicle, risking engine wear. Scan P2658, test the circuit and replace the actuator.

Check engine light and power loss on your vehicle? P2657 signals a rocker arm actuator stuck on bank 2—fix now to avoid engine damage. Scan or replace.

Rocker arm actuator stuck off Bank 2 in your vehicle can cause timing loss and engine damage. Scan P2656, test actuator, and arrange repair or reprogram.

Open Bank 2 rocker arm actuator circuit error on your truck can cause valve‑control loss—risking engine damage. Scan, test wiring, replace the module now.

Rough idle or ticking in your vehicle? B Rocker Arm Actuator Control Circuit High Bank 1 can harm the valve train. Scan and repair or replace now.

B Rocker Arm Actuator Control Circuit Low Bank 1 on your vehicle? It can throw off valve timing and cause engine damage—run a scan, schedule module repair.