Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer found a problem with a sensor that helps control parts of the engine that make the car move smoothly. It's like when a video game controller doesn't work right, and your character doesn't move as expected.
The P265B code indicates that the Engine Control Module (ECM) has detected a problem with the position sensor for the rocker arm actuator on bank 1. This sensor helps control the timing of the engine's valves.
The Rocker Arm Actuator Position Sensor is responsible for monitoring the position of the rocker arm actuator, which adjusts the valve timing for optimal engine performance. If the sensor's readings are outside the expected range or performance parameters, the ECM will trigger the P265B code.
• Check Engine Light illuminated
• Reduced engine performance
• Rough idling
• Faulty Rocker Arm Actuator Position Sensor
• Wiring issues or poor connection in the sensor circuit
• Malfunctioning ECM
ECM: Engine Control Module
OBD-II: On-Board Diagnostics II
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the Rocker Arm Actuator Position Sensor for proper operation.
• Replace the faulty Rocker Arm Actuator Position Sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II Scanner
• Multimeter
• Socket set
$150 - $400
Moderate
• Honda Accord
• Honda Civic
• Acura TSX
• Regular maintenance checks
• Ensure proper engine oil levels
• Inspect wiring and connectors periodically
Sensor Issue
• Avoid driving long distances until repaired.
• Have a professional mechanic inspect the vehicle.
Check if the vehicle is still under warranty for powertrain components.
This code has been more prevalent in vehicles with higher mileage or those that have skipped regular maintenance.
Moderate – It's important to address this issue soon to avoid further engine performance problems.
Driving with a malfunctioning engine component can lead to reduced performance and increased emissions.
• Engine at operating temperature
• Vehicle at idle
The Rocker Arm Actuator Position Sensor is typically located on the cylinder head of bank 1.
Q: Can I still drive my car with a P265B code?
A: It's not recommended to drive for long distances as it can lead to further engine issues.
Q: How do I reset the Check Engine Light after fixing the issue?
A: Use an OBD-II scanner to clear the code after repairs are completed.
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