TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for BMW. All interpretations of P1040
The control module detected that the Engine Coolant Temperature Radiator Outlet signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Engine Coolant Temperature Radiator Outlet Sensor High Input. The control module detected that the Engine Coolant Temperature Radiator Outlet signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.
P1040 is a manufacturer-specific code. In this database it is documented for: BMW. 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: Diagnostic Strategy and DTC Logic
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