P0453
Low SeverityEVAP Pressure Sensor High
EVAP System
What Does P0453 Mean?
Fuel tank pressure sensor reads too high.
Common Fix
Replace sensor or fix vent
Estimated Cost (DIY)
$30 - $80
Common Causes
How to Diagnose P0453
- 1Check connector
- 2Test sensor
- 3Check vent valve
OEM Diagnostic Flowchart
Scroll to load technician if/then branches.
Read live data and freeze frame for P0453 to pinpoint the cause before buying parts.
Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0453.
OEM Manual Evidence
Browse →A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali AWD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali 2WD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-6.0L Service Manual | Operation CHARM Operation CHARM : Car repair...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-5.3L Service Manual | Operation CHARM Operation CHARM : Car repair...
Related Symptoms
Browse →Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to P0453.
Open the exact vehicle hub grounded by OEM manual evidence related to P0453.
Open the exact vehicle hub grounded by OEM manual evidence related to P0453.
Open the exact vehicle hub grounded by OEM manual evidence related to P0453.
Related Codes
Fault in the fuel tank pressure sensor that monitors EVAP system for leaks.
Fuel tank pressure sensor reads too low.
Fault in the EVAP vent valve circuit. The vent valve allows the EVAP system to breathe.
Frequently Asked Questions
- Can a blocked vent cause P0453?
- Yes — if the tank cannot vent, pressure builds up, and the sensor correctly reads high. Fix the vent issue.
- Will this affect gas pump shutoff?
- Possibly — high tank pressure can cause the pump nozzle to click off repeatedly.

