Cummins ISB CM850 (2003-06) Fault Code: 412 PID: SID 250 SPN: 608 FMI: 2 SAE J1587/J1922 data link – can not transmit. Communication between the ECM and another device on the J1587/J1922 data link has been lost.
Cummins ISB CM850 (2003-06) Fault Code: 412 PID: SID 250 SPN: 608 FMI: 2 SAE J1587/J1922 data link – can not transmit. Communication between the ECM and another device on the J1587/J1922 data link has been lost.
This fault occurs whenever the ECM starts communicating with any other device with the J1587/J1922 data link and then can no longer transmit on the data link. Possible causes could be the following: Unplugthe electronic service tool before keying off the ECM, the J1587/J1922 data link having an intermittent electrical problem, and the ECM (or another J1587/J1922 device) tying up communications because of an electrical problem or by sending too many messages without stopping.
Possible repairs:
1)Repair the damaged harness, connectors, or pins if possible.
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