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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Controls And Fuel - 6.0L (L96 LC8) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P0451-P0454 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

P0451 

Fuel Tank Pressure Sensor = Not within a calibrated range - Unable to re-zero the voltage

P0452 

Fuel Tank Pressure Sensor = Less than 0.15 V - For greater than 10 s

P0453 

Fuel Tank Pressure Sensor = Greater than 4.9 V - For greater than 10 s

P0454 

Fuel Tank Pressure Sensor = Signal Erratic

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