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A standout feature is the integration of SFD (Secure Function Discovery) technical support. This technology secures diagnostic communications between the tool and the vehicle, preventing unauthorized access and ensuring data integrity during sensitive procedures. piwis tester 4
The tool revealed that the problem was caused by a faulty oxygen sensor. John replaced the sensor and used the Piwis Tester 4 to reset the trouble codes and perform a series of tests to ensure the issue was resolved. piwis tester 4