Self-diagnosis of the brake system (VW Polo 3)

Faults can be read using the VAG 1551 fault code reader. Once the fault has been corrected, it must be deleted from the fault memory.

The selection of functions using the VAG 1551 fault code reader is shown in Table 11.11.

Table 11.11. Selecting functions using the VAG 1551 fault code reader

Functions
00	Automatic check
01	Poll the control unit version
02	Querying fault memory
03	Final diagnostics
04	Basic settings
05	Erase fault memory
06	The final result
07	Control unit coding
08	Reading a block of measured values

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