B Camshaft Profile Actuator B Control Stuck On Bank 1

Where it lives

For P2B55, the description names the actuator as the part involved. The description of P2B55 puts it on bank 1.

Check these first

• A B camshaft profile actuator B sticking on bank 1
• A short to voltage holding the bank 1 profile actuator B energized
• A failed B camshaft profile actuator B solenoid bank 1
• A control module output stuck on for the bank 1 profile actuator B

What to do next

1. Scan all modules and read the B camshaft profile actuator B command bank 1
2. Inspect the bank 1 profile actuator B wiring for a short to voltage
3. Command the bank 1 profile actuator B off and watch for a change
4. Measure the bank 1 profile actuator B solenoid resistance
5. Replace the B camshaft profile actuator B if it stays on
6. Clear the code and retest

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