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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0010-DTC P0459) >> Diagnostic Information and Procedures >> DTC P0403, P0489, or P0490 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

P0403, P0489 

The ECM detects an open circuit of the EGR valve between the signal and controller ground, an open circuit in the motor ignition circuit, or a signal short to ground condition for greater than 30 s.

P0490 

The ECM detects a short to voltage condition of the EGR valve signal circuit for greater than 30 s.

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