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with or without T harness s/w

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i downloaded firmware for RAV4 XLE 2018  stand alone without T harness... now i am installing the T harness.. can i use the module as it is or i need to redownload the s/w for T HARNESS or it is the same with or without T ?

asked Aug 5, 2019 in Toyota by JOHN Ayad (130 points)

1 Answer

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The firmware is the same with or without t-harness.
answered Aug 5, 2019 by Derek (172,610 points)