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TuningBot DTC Database · v4.37.15

P1602 BMW - Control Module Self Test Control Module Defective

Manufacturer-specific interpretation for BMW. All interpretations of P1602

P · PowertrainEngineOBD2

What P1602 means

P1602
Control Module Self Test Control Module Defective BMW · engine Data confidence 62%

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.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information

Related and nearby codes

How to read P1602

P

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.

Other file services

ECU tuningStage 1 dyno results for BMW engines See the results →

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