A Rocker Arm Actuator Position Sensor Circuit Bank 2

Where it lives

For P266A, the sensor sits on the circuit this code reports. The description of P266A puts it on bank 2.

Check these first

• An open or short in the bank 2 A rocker arm actuator position sensor circuit
• A failed bank 2 A rocker arm actuator position sensor
• A corroded or backed out pin at the bank 2 A position sensor connector
• Chafed wiring along the bank 2 A position sensor harness

What to do next

1. Read bank 2 A rocker arm actuator position on a scan tool
2. Test the bank 2 A position sensor circuit for open and short faults
3. Check the bank 2 A position sensor connector pins
4. Verify reference voltage at the bank 2 A position sensor
5. Replace the bank 2 A rocker arm actuator position sensor if the circuit tests good
6. Clear the code and retest

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