TuningBot DTC Database · v4.37.15
6 manufacturer-specific interpretations across 6 manufacturers in the TuningBot DTC database.
BMWThe control module detected a fault associated with the Heated Catalyst Battery Temperature Sensor 1 Electrical 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.
FordThe control module detected a fault associated with the EGR Calibration High 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.
HondaThe control module detected crankshaft speed fluctuations consistent with combustion misfire (Cylinder Number 4 Random). This is the manufacturer-specific definition used by Honda.
HyundaiThe control module detected a fault associated with the Phase Sensor circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.
Land RoverThe control module detected crankshaft speed fluctuations consistent with combustion misfire (Cylinder 4). This is the manufacturer-specific definition used by Land Rover.
MINIThe control module detected a fault associated with the Misfiring Cylinder 4 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (6 interpretations). The control module detected a fault associated with the Heated Catalyst Battery Temperature Sensor 1 Electrical 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.
P1304 is a manufacturer-specific code. In this database it is documented for: BMW, Ford, Honda, Hyundai, Land Rover, MINI. The same number can mean something different on other brands.
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.
Understand the system behind this code: Oxygen Sensors (Lambda)
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