P265C Fault Code

B Rocker Arm Actuator Position Sensor Circuit Low Bank 1

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

The P265C fault code indicates an issue with the rocker arm actuator position sensor circuit on Bank 1. This sensor is crucial for monitoring and controlling the position of the rocker arms in the engine, which can impact valve timing and engine performance. When a low circuit condition is detected, it may hinder the engine's ability to operate efficiently.

What are the symptoms of the P265C code?

• Illumination of the check engine light
• Reduced engine performance or power
• Poor fuel economy
• Engine stalling or rough idling
• Unusual noises from the engine compartment

What causes the P265C code?

• Faulty rocker arm actuator position sensor
• Wiring issues such as shorts or opens in the sensor circuit
• Poor electrical connections or corrosion
• Faulty engine control module (ECM)
• Mechanical issues such as stuck or damaged rocker arms

How to fix P265C?

• Inspect the wiring harness and connectors for damage or corrosion.
• Replace the rocker arm actuator position sensor if it is found to be faulty.
• Check and clear any additional DTCs (Diagnostic Trouble Codes) that may affect engine performance.
• Ensure that the rocker arms are functioning properly; look for any mechanical issues.
• Reset the ECM and test drive the vehicle to ensure the fault code does not reappear.