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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 P1018, P1019, P131B, P131C, P203B-P203D, P206B-P206D, P21C5, P2ADA-P2ADD, U2627, U2628, or U2630 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P1018, P1019, P131B, P132C 

Reductant Sensor Module Supply Voltage = Not within a calibrated range

P203B, P203C, P203D, P21C5, U2627 

Reductant Level Sensor = Not within a calibrated range

P206B, P206C, P206D, U2628 

Reductant Quality Sensor = Not within a calibrated range

P2ADA, P2ADB, P2ADC, P2ADD, U2630 

Reductant Temperature Sensor 2 = Not within a calibrated range