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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - Description And Operation) >> Description and Operation >> Glow Plug System Description >> Diesel Exhaust Fluid (DEF) Heater Control

Diesel Exhaust Fluid (DEF) Heater Control

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The glow plug control module supplies and monitors voltage to the 3 Diesel Exhaust Fluid heaters. The engine control module (ECM) requests any or all of the heaters to be on depending on ambient temperature. The glow plug control module will disable diesel exhaust fluid heater requests from the ECM during glow plug operation.