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OTR Diagnostics gives you access to fault code information, real-time live data, and perform bi-directional commands like initiating forced DPF regen.
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4.9 Stars | 500+ Google Reviews
Experience a new level of support with our focus on treating you how we would like to be treated.
Limited Lifetime Warranty
We value your investment in our product and want you to feel confident in its performance.
Discover how OTR Diagnostics simplifies your truck's maintenance and prevents expensive future problems.
