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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls - 2.6L & 3.2L - Diagnosis (DTC P0030 - P0174)) >> Diagnostic Trouble Codes >> DTC P0032, P0038, P0052, or P0058 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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

The ECM detects that the HO2S heater low control circuit voltage is above 4.6 volts when the heater is commanded ON, indicating an HO2S heater circuit shorted to voltage.

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