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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> Diesel Exhaust Fluid (DEF) Warning Strategy (DEF Level) >> Warning Level 7

Warning Level 7

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Warning Level 7 is active after the first mileage countdown expires. The driver will hear 4 chimes on entering Warning Level 7. The DIC displays the following messages:

The messages are alternately displayed every 5 seconds on the DIC. Exhaust Fluid Empty Refill Now remains on the DIC until acknowledged by the driver; however, the Transitioning to 105 km/h (65 mph) Max Speed remains displayed in the DIC.

The DEF Indicator in the instrument panel is continuously illuminated.

Vehicle speed limit is ramping down from Max Speed limit to the limit of 105 km/h (65 mph).

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