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Cummins ECM Master Password
Posted to HD/Fleet Forum on 10/15/2020 6 Replies

Have a Freightliner M2. 2012 VIN 1FVACWDTXCHBP3279. This is the first Cummins that we are locked out of the ECM. We need to program the ECM. The owner doesn't have the ECM master password. We called Cummins and got the run around twice. They said that it neede... Login to read more.

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