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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P0016 - P049D)) >> Diagnostic Information And Procedures >> DTC P0403, P0490, P1402, P1407, Or P140F: Exhaust Gas Recirculation (EGR) Circuits/Exhaust Gas Recirculation (EGR) Current Performance >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0403 

The ECM detects an open on the control circuit for greater than 2.5 s.

P0490 

The ECM detects a short to voltage on the control circuit for greater than 2.5 s.

P1402 

The ECM detects a low voltage on the EGR motor supply for greater than 2.5 s.

P1407 

The ECM detects a short circuit between the open and close terminals of the EGR motor for greater than 2.5 s.

P140F 

The ECM detects excessive current flow to the EGR motor for greater than 2.5 s.

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