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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P1052, P20BD-P20BF, P20C0, P248C, or P248D >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P1052, P20BE 

Reductant Heater 2 = Not within a calibrated range - For greater than 8 s

P20BD 

Control Circuit = Open - For greater than 4 s

P20BF 

Control Circuit = Short to Ground - For greater than 4 s

P20C0 

Control Circuit = Short to Voltage - For greater than 4 s

P248C, P248D 

Battery Voltage & Reductant Heater 2 = Not within 3 V of each other

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