A Rocker Arm Actuator Position Sensor Circuit Low Bank 1

Where it lives

For P264C, the sensor sits on the circuit this code reports. The description of P264C puts it on bank 1.

Check these first

• A short to ground on the bank 1 actuator position sensor circuit
• A failed bank 1 A rocker arm actuator position sensor
• A corroded position sensor connector
• High resistance in the sensor signal wire

What to do next

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

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