P2654 Fault Code

B Rocker Arm Actuator Control Circuit High Bank 1

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2654 fault code indicates an issue with the rocker arm actuator control circuit on Bank 1 of the engine. The rocker arm actuator manages the variable valve timing, which plays a critical role in optimizing engine performance, fuel efficiency, and emissions.

What are the symptoms of the P2654 code?

When this error code is triggered, you might observe:

• Decreased engine performance or power.
• Poor fuel economy due to improper valve timing.
• Check Engine Light (CEL) illuminated on the dashboard.
• Unusual engine noises or vibrations when idling.

What causes the P2654 code?

This fault can arise due to various reasons, including:

• A faulty rocker arm actuator itself that fails to operate correctly.
• Damaged wiring or poor connections in the actuator control circuit.
• Issues with the engine control module (ECM) not providing proper signals.
• Low oil levels or poor oil quality affecting actuator operation.

How to fix P2654?

To resolve the P2654 fault code, consider the following steps:

• Inspect the rocker arm actuator for any defects or failures, and replace if necessary.
• Check the wiring and connectors for damage or corrosion, repairing or replacing as needed.
• Ensure that the ECM is functioning correctly and reprogram or replace if faulty.
• Change the engine oil and filter to ensure proper lubrication for the rocker arm actuator.