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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Engine Controls - 5.7L - Diagnosis (DTC P0068 - P0174)) >> Diagnosis >> DTC P0136 or P0156 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.
  1. The PCM detects that the HO2S bank 1 sensor 2 or HO2S bank 2 sensor 2 did not transition below 350 mV and above 709 mV during the passive test.
  2. One of the following tests fail:
    • Lean Intrusive Test
      • The PCM detects that the HO2S bank 1 sensor 2 or HO2S bank 2 sensor 2 is more than 350 mV for 25.4 seconds.
      • The HO2S bank 1 sensor 1 and HO2S bank 2 sensor 1 is less than 300 mV.

        OR

    • Rich Intrusive Test
      • The PCM detects that the HO2S bank 1 sensor 2 or HO2S bank 2 sensor 2 is less than 709 mV for 25.4 seconds.
      • The HO2S bank 1 sensor 1 and HO2S bank 2 sensor 1 is more than 600 mV.
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