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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (3 Of 5)) >> Diagnostic Information and Procedures >> DTC P10F3, P20BD-P20BF, P20C0, P221C, or P221D >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.
DTC P10F3

Reductant Heater 2 Control Circuit ShortedReductant Heater 2 Control Circuit

DTC P20BD

Reductant Heater 2 Control Circuit

DTC P20BE

Reductant Heater 2 Performance

DTC P20BF

Reductant Heater Control Circuit Low

DTC P20C0

Reductant Heater Control Circuit High

DTC P221C

Reductant Heater 2 Current Too Low

DTC P221D

Reductant Heater 2 Current Too High

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