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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0141: Ho2S2 Circuit - Heater Malfunction >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

A faulty main relay will cause DTC P0141 to set.

Heater element resistance should be 11.7-14.3 ohms.

Normal operating range is 0.6-0.7 amp.

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