Internet research brought up a possible problem: electronic cluster. Specifically, the ABS/Brake light is almost always on the gasoline indicator works intermittently and the radio/clock almost never works. I have an electronic problem that I noticed on at least two other, different GMC trucks I’ve ridden in. Q: I was wondering whether the 2001 GMC Sierra HD 2500 Dual Cab truck has ever had an electronic recall. Another option would be to check with nearby 4X4 specialty shops and see if they can use their tool on your vehicle for possibly a few less bucks. These plug into the under-dash OBD-II data link connector and make quick work of the task. You could either purchase a device such as Rough Country’s Jeep QuickCal Speedometer Calibrator (applicable to 07-18 Wrangler JK models, about $140 US), or perhaps Hypertech’s Speedometer Calibrator, which can also serve as an OBD-II code reader, for about $220 US. Jeeps and other off-road vehicles are often modified in this and other ways, and there are several aftermarket sources for DIY speedometer/odometer reprogramming. This could be something for the dealer to take a crack at. Unlike the old days, when one could swap out the speedometer driven gear in the transmission or purchase a gear-driven cable adapter, this will require a software update to the powertrain control module or instrument panel module, as applicable. For example, at an indicated 105 km/h, you’re actually doing 114 km/h. Is there an easy and inexpensive fix to recalibrate my speedometer so everything is correct based on the present tire size? Thanks.Īnswer: Your replacement tires cover about 8.5 per cent more ground per revolution than the stock tires, making both the speedometer and odometer read low by this percentage, regardless of your speed. It came with P255/75R17 tires that are larger than the original tires, which were P225/75R16. Question: Three months ago, I purchased a 2010 Jeep Wrangler Sport.
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