O2 Sensor Heater Control Circuit Bank 2 Sensor 1
BMW · emissions
Data confidence62%
The control module detected a fault associated with the O2 Sensor Heater Control Circuit Bank 2 Sensor 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
Heated oxygen sensor (HO2S) 1, bank 1 insufficient switching
Chevrolet · emissions
Data confidence80%
The control module detected a fault associated with the Heated oxygen sensor (HO2S) 1, bank 1 insufficient switching circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
HO2S Insufficient Switching
Chrysler · emissions
Data confidence62%
The control module detected a fault associated with the HO2S Insufficient Switching circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
ECT Sensor Circuit Interm Low Voltage
Dodge · thermal_management
Data confidence62%
The control module detected a fault associated with the ECT Sensor Circuit Interm Low Voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.
Bank 1 Fuel Control Shifted Lean
Ford · engine
Data confidence80%
The control module detected a fault associated with the Bank 1 Fuel Control Shifted Lean circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.
Heated oxygen sensor (HO2S) - RH front - insufficient switching
Honda · emissions
Data confidence62%
The control module detected a fault associated with the Heated oxygen sensor (HO2S) - RH front - insufficient switching circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.
Throttle position incoherence, track 1 / pressure : Coherence
PSA · engine
Data confidence72%
The control module detected that the Throttle position incoherence, track 1 / pressure was not coherent with related operating data. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Heated oxygen sensor (HO2S) 1 - voltage high
Subaru · emissions
Data confidence62%
The control module detected that the Heated oxygen sensor (HO2S) 1 voltage stayed above the expected range. This is the manufacturer-specific definition used by Subaru.
HO2S11 Too Few Transitions
Suzuki · engine
Data confidence62%
The control module detected a fault associated with the HO2S11 Too Few Transitions circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.
Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - heater control - circuit low
VAG · emissions
Data confidence62%
The control module detected that the signal in the Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - heater control circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Audi.
Heated oxygen sensor (HO2S) 1, bank 1 - no signal
Volvo · emissions
Data confidence62%
The control module did not receive the expected Heated oxygen sensor (HO2S) 1, bank 1 signal. This is the manufacturer-specific definition used by Volvo.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
133
Specific fault index within the subsystem.
Frequently asked questions about P1133
What does P1133 mean?
Diagnostic Trouble Code (12 interpretations). The control module detected a fault associated with the O2 Sensor Heater Control Circuit Bank 2 Sensor 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
Is P1133 generic or manufacturer-specific?
P1133 is a manufacturer-specific code. In this database it is documented for: BMW, Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, PSA, Subaru, Suzuki, VAG, Volvo. The same number can mean something different on other brands.
Can TuningBot remove P1133 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.