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 NW Iowa | The 12 and later will have the membrane switches vs the toggle. The software seems to play better with them. The '13's you started seeing the vented side tins and door supports and better cab susp software. The '14's you started getting the A/C and valve updates with the others. Anything that was still in new dealer inventory as of December '14 was supposed to get 4309 updates free. A few 13' got in on it and more '14 did. Unfortunately some slipped through the cracks. | |
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