Particulate Filter Pressure Sensor C Circuit Low

Where it lives

For P2CE7, the sensor sits on the circuit this code reports. The description of P2CE7 reports a fault at the sensor.

Check these first

• A short to ground on the particulate filter pressure sensor C circuit
• A sensor C that lost internal resistance
• A sensor C hose disconnected and reading low
• Corrosion at the sensor C connector

What to do next

1. Read particulate filter pressure sensor C on a scan tool
2. Disconnect sensor C and see if the low reading clears
3. Test the sensor C circuit for a short to ground
4. Check the sensor C hose for a disconnect
5. Replace particulate filter pressure sensor C if the circuit tests good
6. Clear the code and retest

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