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Audi Q7 Tire Pressure Sensor Fault 01521 Trouble Repair by Launch X431
This instruction show you guide on how to use Launch X431 Pro3 to diagnose & repair Audi A7 2008 USA market tire pressure sensor 01521 fault case. For more Audi repair,please check here:Audi trouble repair. Procedures: 1) Choose Audi V27.50 or a later version. 2) Choose System Selection. 3) Choose 65