The bypass kit will not program while the data portion (if applicable) may work on some vehicles. The internal transponder on these bypasskits can only be programmed once. When they are programmed into the vehicles' control module they are slightly modified and cannot be used again. Some distributors were unaware of this, and there have been a few reports where there have been some used bypass kits recirculated back to our customers. This problem should be assumed as a last resort. If all else fails it...

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