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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 2.0L - DTC P0243 To DTC P0690) >> DTC P0420 >> Reference Information

Reference Information

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DTC Type Reference 

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference 

Control Module References for scan tool information

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