Obviously if you have real mechanical issues like a leak or physically damage I don’t expect it to bypass those
But for sensor or circuit codes, particularly emission related , will the tool pretty much be able to bypass all of them?
I currently have multiple codes that I will attach in post
A lot SHOULD be covered under warranty but will it be best to just get the tool and run for a few weeks or get it fixed right away.
The truck currently(knock on wood) has not derated yet and i have driven 300 miles since the codes came on
I’m going to a dealership. Seeing the price and cost to fix. If it cost more than what the tool cost I plan to just buy the tool, but not if it won’t be able to bypass.
OTR reset tool- are their any codes that it WONT bypass
Discussion in 'Experienced Truckers' Advice' started by DAX_, Feb 1, 2025.
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I have a peterbilt with Cummins. Haven't been to a shop/dealer one single time for aftertreatment codes since I've had the OTR tool which has been over 3 years now. Here is a screen shot of a recent code issue...
I cleared it once or twice then on the 3rd time it came on I knew the sensor was definitely bad, replaced, and it's never come on again.
Sometimes the codes are bogus "ghost codes" that's why I always clear them once ( or twice) if needed before wasting money on a new sensor.
Not sure about a 100% full diagnostic, but I'd say pretty close in terms of fault codes for DPF-aftertreatment issues...
IMO, one single use of the OTR tool per year more than pays for itself. Definitely wouldn't be rolling around the country without one. It's certainly peace of mind.
Diesel Dave, OlegMel, DAX_ and 1 other person Thank this. -
Here's another from when I needed a NOX sensor and truck was in derate mode.
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