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Home >> Chevrolet >> 2019 >> Cruze Premier, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P208A-P31BF) And Symptoms) >> Diagnostic Information and Procedures >> DTC P21A9, P21AB, P21C5, or P21C6 (69 Body - Notchback) >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P21A9 

The reductant level sensor 2 value is not plausible for greater than 5 s.

P21AB 

The reductant level sensor signal is greater than a calibrated threshold for greater than 5 s.

P21C5 

The reductant level value is stuck for greater than 5 s.

P21C6 

The reductant level 2 value is stuck for greater than 5 s.

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