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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P20E8 or P20E9 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P20E8 

Reductant Pressure = Less than a predefined threshold - For greater than 30 s

P20E9 

Reductant Pressure = Greater than a predefined threshold - For greater than 4 s

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