Ram Heavy Duty Forum
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Recent content by RetNavyCPO
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Speedometer Calibration
I've been in contact with the folks at Hypertech. In fact, they called me this morning, regarding software updates for my programmer. I'll try again. BTW, the dealer can fix the problem, but must first diagnose my truck. But, they do have a warranty.- RetNavyCPO
- Post #4
- Forum: 4th Generation Ram HD General Discussion
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Speedometer Calibration
I have a 2018 RAM 2500 Tradesman Diesel 4x4, Manual Transmission w/P285/70/R17 tires & stock (3.42:1) rear end. These tires are 7.0% bigger than factory original. Consequently, I have a speedometer/odometer error. I have been using a Hypertech calibrator to reset the tire size. The people at...- RetNavyCPO
- Thread
- Replies: 3
- Forum: 4th Generation Ram HD General Discussion