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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P2627 or P2628 >> DTC Descriptor

DTC Descriptor

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DTC P2627

HO2S Pump Current Trim Circuit Low Voltage Sensor 1

DTC P2628

HO2S Pump Current Trim Circuit High Voltage Sensor 1