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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1567 (Engine Controls Diagnostic (DTC P0068 To DTC P0174) -- 5.7L) >> Diagnosis >> DTC P0135, P0141, P0155, or P0161 >> Conditions for Setting the DTC >> Heater Resistance Test

Heater Resistance Test

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0135, P0141, P0155, or P0161-The PCM detects that the affected HO2S heater calculated resistance is not within an expected range at engine start-up.

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