IS 250 RWD V6-2.5L (4GR-FSE) (2007)
that a communication error has occurred, there is a problem either with the vehicle or with the tester.
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If communication is normal when the tester is connected to another vehicle, inspect the DLC3 of the original vehicle.
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If communication is still not possible when the tester is connected to another vehicle, the problem may be in the tester itself. Consult the
Service Department listed in the tester's instruction manual.