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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (3 Of 5)) >> Diagnostic Information and Procedures >> DTC P1018, P1019, P131B, P131C, P203B-P203D, P206B-P206D, P21C5, P2ADA-P2ADD, U2627, U2628, or U2630 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.
DTC P1018

Reductant Control Module Sensor Reference Circuit Low

DTC P1019

Reductant Control Module Sensor Reference Circuit High

DTC P131B

Reductant Control Module Sensor Reference 3 Circuit Low

DTC P131C

Reductant Control Module Sensor Reference 3 Circuit High

DTC P203B

Reductant Level Sensor Performance

DTC P203C

Reductant Level Sensor Circuit Low

DTC P203D

Reductant Level Sensor Circuit High

DTC P206B

Reductant Quality Sensor Circuit Performance

DTC P206C

Reductant Quality Sensor Circuit Low

DTC P206D

Reductant Quality Sensor Circuit High

DTC P21C5

Reductant Level Sensor Stuck

DTC P2ADA

Reductant Tank Temperature Sensor 2 Circuit Performance

DTC P2ADB

Reductant Tank Temperature Sensor 2 Circuit Low

DTC P2ADC

Reductant Tank Temperature Sensor 2 Circuit High

DTC P2ADD

Reductant Tank Temperature Sensor 2 Circuit Erratic

DTC U2627

Reductant Control Module Lost Communication with Reductant Level Sensor

DTC U2628

Reductant Control Module Lost Communication with Reductant Concentration Sensor

DTC U2630

Reductant Control Module Lost Communication with Reductant Tank Temperature Sensor 2