SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4LV Injection and Ignition System | Self diagnosis, V.A.G Inspection Service | Self-diagnosis - general considerations | Fault reader V.A.G. 1551 : connecting and selecting the engine electronics control unit

Fault readerV.A.G. 1551: connecting and selecting the engine electronics control unit

Fault reader -V.A.G. 1551-: connecting and selecting the engine electronics control unit

Special tools and workshop equipment required

t	Fault reader -V.A.G. 1551-

Note!

t	Instead of fault reader -V.A.G. 1551-, vehicle systems tester -V.A.G. 1552- can also be used, although in this case the data cannot be printed out.

t	Lead -V.A.G. 1551/3B-

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