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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P0451-P0454 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P1176* P0446, P0451, P0452 P1176* -
Signal P0452 P0451, P0452, P0453 P0453 P0451, P0454
Low Reference - P0446, P0451, P0453, P0463 - P0451
* Additional DTCs may set.
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