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We'd love to hear from you. Our team is here to help.
OTR Diagnostics gives you access to fault code information, real-time live data, and perform bi-directional commands like initiating forced DPF regen.
We'd love to hear from you. Our team is here to help.
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Monday - Friday (8am-5pm EST)
Saturday (closed)
Sunday (closed)
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10,349 Active Members
Our members save an average of $3,200 a year by avoiding costly shop visits and keeping trucks on the road.
Members count on OTR for fast, friendly, and knowledgeable support every time they need it.
The OTR Guarantee
If you do not believe OTR delivers the value our 10,349 members trust us for, we will refund your entire membership within 60 days. No hassle. No risk.
Every week you wait could cost you hundreds in unnecessary shop bills.