Gear Lever X Position Sensor 1 Circuit

Where it lives

For P0821, the sensor sits on the circuit this code reports. The description of P0821 reports a fault at the sensor.

Check these first

• An open or short in the gear lever X position sensor circuit
• A faulty gear lever X position sensor
• Corrosion at the X position sensor connector
• A sensor installed wrong
• A TCM fault on the X position input

What to do next

1. Read the gear lever X position on a scan tool
2. Test the X position sensor circuit for an open or short
3. Check the X position sensor connector
4. Check the sensor installation
5. Replace the sensor if the circuit tests good
6. Clear the code and retest

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