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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Control System - 4.8L, 5.3L & 6.0L (DTC P0140 Or P0160 To DTC P0449)) >> Diagnostic Information and Procedures >> DTC P0141 or P0161 (With 5.3L) >> Conditions for Setting the DTC >> Heater Resistance Test

Heater Resistance Test

WARNING: This page is about a different variant/trim than selected.

The PCM detects that the affected HO2S heater calculated resistance is not within an expected range at engine start-up.

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