I have a code P0453 on my 2001 Chevrolet Suburban and will not reset what causes this?

Question

I have a code P0453 on my 2001 Chevrolet Suburban 1500 4x4 and will not reset what causes this? How do I fix this problem?

Answer 1

P0453 Evaporative emission control system pressure sensor high input

One of the jobs of the ECM is to look for open circuits, short circuits, and grounded circuits. P0453 is an open circuit of the FTP (Fuel Tank Pressure) sensor,

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The FTP is located at the fuel pump module

Answer 2

P0453 CHEVROLET Code - Fuel Tank Pressure Sensor Circuit High Voltage
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