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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P2122 To DTC P2689 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2457: Exhaust Gas Recirculation (EGR) Cooler >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The ECM detects that the ratio of the downstream EGR cooler temperature and the upstream EGR cooler temperature is not within a calibrated range.

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