P2660 Fault Code

B Rocker Arm Actuator Control Circuit/Open Bank 2

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

The P2660 fault code is associated with the rocker arm actuator control circuit for bank 2 of the engine. This actuator helps control the variable valve timing, which is crucial for optimizing engine performance and efficiency. When the circuit experiences an open condition, it indicates a potential failure in the wiring or the actuator itself.

What are the symptoms of the P2660 code?

Symptoms associated with the P2660 code may include:

• Check Engine Light illuminated on the dashboard.
• Decreased engine performance or efficiency.
• Noticeable engine noise or a rough idle.
• Engine stalling or difficulty in starting.

What causes the P2660 code?

Common causes of this fault code include:

• Damaged wiring or connectors in the rocker arm actuator circuit.
• A malfunctioning rocker arm actuator on bank 2.
• Issues with the Engine Control Module (ECM) that controls the actuator.
• Poor electrical connection or corrosion in the circuit.

How to fix P2660?

To resolve the P2660 fault code, the following steps can be taken:

• Inspect the wiring and connectors for any signs of damage or corrosion, and repair or replace as necessary.
• Test the rocker arm actuator for proper function and replace it if found to be faulty.
• Check the ECM for any software updates or issues; reprogram or replace if needed.
• Clear the fault codes and perform a test drive to ensure the issue has been resolved.