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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P0420: Catalyst System Low Efficiency >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The ECM determines that the efficiency of the diesel oxidation catalyst has degraded below a calibrated threshold.

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