A Camshaft Profile Actuator B Control Stuck On Bank 2

Where it lives

For P2B54, the part to look at first is the actuator named here. The description of P2B54 puts it on bank 2.

Check these first

• Bank 2 camshaft profile actuator B stuck on
• A failed camshaft profile actuator B solenoid holding position
• Carbon or sludge locking the actuator B pin extended
• A broken actuator B return spring
• A short in the actuator B control circuit holding it on

What to do next

1. Command camshaft profile actuator B with a scan tool and watch it move
2. Test the actuator B control circuit for a short to voltage
3. Inspect the actuator B pin and return spring for binding
4. Check engine oil level and condition
5. Replace camshaft profile actuator B if it stays on
6. Clear the code and retest

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