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Rough Country

Speedometer Calibrator | Inline | Ram 1500/2500/3500 2WD/4WD (2019-2023)

$199.95

SKU: R04C 90047

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

This device reprograms your speedometer to provide precise, true-speed readings, eliminating guesswork. It features a simple plug-and-play installation via the vehicle's Diagnostic Link Connector Port.
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Part #: 90047

Restore Speedometer Accuracy for Larger Tires: Complete your lift upgrade with Rough Country's Speedometer Calibration Device. Specifically engineered for lifted vehicles with oversized tires, this easy-to-use calibrator reprograms your speedometer to deliver precise, true-speed readings, eliminating guesswork on the road or trail. Seamless Plug & Play Installation: Installation is fast and hassle-free thanks to a simple plug and play connection through your vehicle's Diagnostic Link Connector Port. In just a short session, your speedometer is recalibrated to match your new tire size without the need for complex tools or programming knowledge. Enhanced ECM Shift Point Adjustments: This advanced device doesn't just update your dashboard, it updates your vehicle's ECM to optimize transmission shift points. That means smoother shifting performance tailored to your new tire configuration for a more refined driving experience. Maintains Electronic Stability Control Performance: Rough Country's calibrator also recalibrates your Electronic Stability Control system, ensuring your vehicle retains factory-intended handling and safety even after upgrading to larger tires.Convenient Return to Stock Settings: Need to revert back to factory calibration The device includes an easy reset feature that lets you restore stock settings anytime, ideal for vehicle servicing. Warranty-Backed Peace of Mind: Backed by Rough Country's 1-Year Warranty, you can recalibrate with confidence knowing your investment is protected.

Features:

  • Corrects Speedometer for Larger Tires: Accurately recalibrates your speedometer to reflect true speeds after upgrading to oversized tires.
  • Hassle-Free Plug & Play Installation: Simple, tool-free connection makes setup quick and effortless.
  • Optimizes OE ECM Shift Points: Automatically adjusts factory transmission shift points for smoother performance with larger tires.
  • Stabilizes Electronic Stability Control: Recalibrates your ESC system to maintain factory-like handling and safety with bigger tires.
  • Easy Return to Stock Settings: Conveniently restore factory calibrations at any time.
  • Backed by a 1-Year Warranty: Drive with confidence knowing your purchase is protected.
Vehicle Symptoms
  • Speedometer reads too slow after lift and larger tires
  • Transmission shifts erratically after tire change
  • ABS or traction control warning light on dash
  • Cruise control doesn't hold steady speed
  • Odometer mileage is inaccurate after tire upgrade
Relevant Conversations
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRough Country
Part NumberR04C 90047

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