O2 SensorLow ImpactPetrol

P0136 — O2 Sensor Circuit (Bank 1 Sensor 2)

Post-catalyst O2 sensor signal is out of expected range.

5+

Affected Brands

11+

ECU Platforms

2

Related Services

8

Related DTCs

Symptoms

What the driver typically experiences when P0136 is stored

!Check Engine Light
iNo drivability impact

Why does P0136 appear after tuning?

Triggered when exhaust modifications change the sensor operating environment.

How proper calibration can address P0136

Professional calibration adjusts sensor threshold maps for the modified exhaust configuration.

Related Tuning Services

Relevant services for the system behind P0136

Catalyst OffDTC Off

Related Diagnostic Codes

Codes from the same diagnostic system as P0136

P0036Low Impact

HO2S Heater Control Circuit (Bank 1 Sensor 2)

P0037Low Impact

HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

P0137Moderate Impact

Diagnostic Trouble Code P0137

P0420Moderate Impact

Catalyst System Efficiency Below Threshold (Bank 1)

P0141Low Impact

O2 Sensor Heater Circuit (Bank 1 Sensor 2)

P0138Moderate Impact

Diagnostic Trouble Code P0138

P0156Moderate Impact

Diagnostic Trouble Code P0156

P0038Moderate Impact

Diagnostic Trouble Code P0038

Affected ECU Platforms

Siemens/Continental SIMOS18Bosch MG1CS003Bosch MG1CS201Bosch MG1CS011Kefico CPEGD3.20Bosch MED17.1.27Bosch MEVD17.2.GSiemens/Continental SIM2K-260Continental GPEC4Bosch MED17.8.31Bosch ME17.8.33

Commonly Affected Vehicles

CupraFormentorBosch MG1CS011
KiaStonicKefico CPEGD3.20
SeatAronaBosch MED17.1.27
VWGolfSiemens/Continental SIMOS18
BMW3 Serie - SedanBosch MG1CS003
BMW3erBosch MEVD17.2.G
BMWX5 SUVBosch MG1CS201
KiaStingerSiemens/Continental SIM2K-260

Based on data from 5+ vehicle brands. P0136 is not limited to these models.

Frequently Asked Questions

What does P0136 mean?â–¼
Post-catalyst O2 sensor signal is out of expected range.
Why does P0136 appear after ECU tuning?â–¼
Triggered when exhaust modifications change the sensor operating environment.
How do you prevent P0136 during remapping?â–¼
Professional calibration adjusts sensor threshold maps for the modified exhaust configuration.
Which vehicles are affected by P0136?â–¼
P0136 is commonly found on Cupra, Kia, Seat, VW, BMW vehicles equipped with Siemens/Continental SIMOS18, Bosch MG1CS003, Bosch MG1CS201, Bosch MG1CS011 ECU platforms.
What other codes appear alongside P0136?â–¼
P0136 frequently appears together with P0036, P0037, P0137, P0420, P0141. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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