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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System - 4.4L - DTC P0010 To P0175) >> DTC P0030, P0036, P0050, P0053, P0054, P0056, P0059, P0060, P0135, P0141, P0155, or P0161 >> Circuit/System Description >> DTC P0135

DTC P0135

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

The control module determines the temperature by measuring the current flow through the heater. For diagnosis, the control module monitors the heater current with the engine running. If the control module detects that the HO2S 1 heater low control circuit current level is not within the calibrated range, DTC P0135 will set for HO2S 1.

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