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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Description And Operation) >> Description and Operation >> Diesel Exhaust Fluid (DEF) Warning Strategy (Diesel Exhaust Fluid (DEF) Level) >> Warning Level 5

Warning Level 5

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Warning Level 5 is triggered when the estimated range remaining is less than approximately 121 km (75 mi) based on current DEF consumption rates. The message Exhaust Fluid Low - Speed Limited Soon, is displayed on the DIC. This message is also displayed at the beginning of each ignition cycle. This message remains in the DIC until acknowledged by the driver.