How to Clear Diagnostic Trouble Codes (Defect Codes)

BMW Service Tester:

BMW MoDiC:

Clearing:

The defect code memory can be cleared by means of the BMW DIAGNOSTIC SYSTEM.
Diagnostic Functions

The memory can also be cleared by cutting the power supply to the control module (detach cable or disconnect vehicle battery).

Defects which are attributed to relay sticking cannot be cleared by means of the BMW DIAGNOSTIC SYSTEM. They can only be cleared by disconnecting the power supply to the control module.

Important!

On no account clear the defect codes before repair, otherwise important information (troubleshooting, additional information etc.) will no longer appear on the display screen.