can dealership tune my pcm to my 3.42 gear
12-20-2008, 06:52 PM
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can dealership tune my pcm to my 3.42 gear my speedo is off, i have an a4 with a 3.42 swap. i didnt know if the dealship could correct my speedometer... i bought a hypertech tuner on here from a member and got burned..i dont have the money for a tune after getting burned.
12-20-2008, 07:35 PM
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yes they can but it can be costly a gm tech cand call gm technical assistance and get a whats called a vci number and reflash your pcm only beccause 3.42 is a factory gear set so they have the calibration numbers for six speed cars
