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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P1051, P20B9, P20BA-P20BC, P248A, or P248B >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.
DTC P1051

Reductant Heater 1 Driver High Temperature

DTC P20B9

Reductant Heater 1 Control Circuit

DTC P20BA

Reductant Heater 1 Performance

DTC P20BB

Reductant Heater 1 Control Circuit Low Voltage

DTC P20BC

Reductant Heater 1 Control Circuit High Voltage

DTC P248A

Reductant Heater 1 Feedback Circuit Low Voltage

DTC P248B

Reductant Heater 1 Feedback Circuit High Voltage

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