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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 213 (Engine Controls - Self-Diagnostics - 3.0L) >> Diagnostic Tests >> DTC P0030, P0036, P0050 Or P0056: Ho2S Heater Control Circuit >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

ECM detects that the HO2S heater low control circuit voltage is 2.6-4.6 volts when the heater is commanded OFF, indicating an open HO2S heater circuit.

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