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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 P206B-P206D >> DTC Descriptor

DTC Descriptor

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DTC P206B

Reductant Quality Sensor Performance

DTC P206C

Reductant Quality Sensor Circuit Low Voltage

DTC P206D

Reductant Quality Sensor Circuit High Voltage