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DTC P0136 - O2 Sensor Circuit (Bank 1 Sensor 2)

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P0136 - O2 SENSOR CIRCUIT (BANK 1 SENSOR 2)

Description:  This DTC sets when a concern is detected with one of the circuits used to determine the oxygen content in the exhaust gas.
Possible Causes: 
  • HO2S12 circuit open
  • SIGRTN circuit open
  • Incorrect connections
  • Damaged or corroded pins
  • Exhaust temperature significantly higher than expected
  • Damaged heated oxygen sensor bank 1, sensor 2 (HO2S12)
Diagnostic Aids:  Inspect the connectors for signs of damage, water intrusion or corrosion.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DW .