1999 Freightliner Classic ECM

I own a 1999 Freightliner Classic with DD 60 Series 12.7. I know that this truck is exempt from using ELDs. The company I drive for wants me to use an ELD. They use Omnitrax. Hooked it up to the truck and took it for a spin. Everything on the ELD works except recording the miles traveled. I took the truck to Freightliner and they hooked up a computer to the ECM port. They say they get fault codes, but they do not know what the fault codes mean, so they are unable to determine why the mileage won't register on the ELD. They also said they know nothing about the ELDs. I used Peoplenet prior to this and the same problem existed. I read on the internet that a speed sensor failure could cause this problem. What things could cause the truck to not send the mileage to the ELD?

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Can the ECM be reprogrammed?


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