Cummins 8.3 codes
This is a cummins 8.3 350 the road relay 4 is showing this message " SID 237 active 3 engine controller subsystem ID # 237 unidentifiable. Fail Mode" what does this mean? engine starts a...
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Thank you for explaining the solution!
Cummins could not connect with or read my ECM last July until they uploaded new software to the ECM.
Cummins could not connect with or read my ECM last July until they uploaded new software to the ECM.
