Control Module Self Test Control Module Defective
BMW · engine
Data confidence62%
The control module's internal test reported the Control Module Self Test Control Module as faulty. This is the manufacturer-specific definition used by BMW.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
602
Specific fault index within the subsystem.
Frequently asked questions about P1602
What does P1602 mean?
Control Module Self Test Control Module Defective. The control module's internal test reported the Control Module Self Test Control Module as faulty. This is the manufacturer-specific definition used by BMW.
Is P1602 generic or manufacturer-specific?
P1602 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 P1602 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.