OBD Guide

P265B

B Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Deterioration in engine dynamics
  • Increased fuel consumption
  • Unstable operation at idle
  • Check Engine Light Illuminates
  • Increased engine noise

Causes

  • Malfunction of the rocker actuator position sensor
  • Open or short circuit in the sensor circuit
  • Problems with the rocker arm actuator
  • Engine control unit malfunction
  • Connectors are dirty or damaged

How to Fix

  1. Check the sensor circuit for open circuit and short circuit
  2. Check resistance and sensor signal
  3. Inspect the rocker arm actuator for damage
  4. Replace the rocker actuator position sensor if necessary
  5. Clean or replace connectors if necessary

Related codes

Error P265B by Vehicle Brand