The control module detected that the Heated Catalyst Gate Voltage signal stayed below the expected range. This is the manufacturer-specific definition used by BMW.
TuningBot DTC Database · v4.37.15
P1302 BMW - Heated Catalyst Gate Voltage Signal Low
Manufacturer-specific interpretation for BMW. All interpretations of P1302
What P1302 means
Related and nearby codes
How to read P1302
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1302
What does P1302 mean?
Heated Catalyst Gate Voltage Signal Low. The control module detected that the Heated Catalyst Gate Voltage signal stayed below the expected range. This is the manufacturer-specific definition used by BMW.
Is P1302 generic or manufacturer-specific?
P1302 is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.
Can TuningBot remove P1302 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.
Other file services
Understand the system behind this code: Oxygen Sensors (Lambda)
