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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P1051 Or P1052: Reductant Heater 1-2 Driver High Temperature >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P1051 

The ECM indicates the reductant tank heater temperature is over the calibrated threshold for greater than 5 s.

P1052 

The ECM indicates the reductant line heater temperature is over the calibrated threshold for greater than 5 s.

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