Is there a problem with the J1939 data link?
Is there a problem with the J1939 data link? In most data link troubleshooting text books this is an acceptable measurement and falls within the 60 ohms + or - 10 ohms. My experience tells me there is a problem in the J1939 data link. Before I get into actual troubleshooting you will need to understand how to calculate the resistance in the J1939 harness. Are there any inactive codes for ABS J1939? Trucks will come into the shops all the time with inactive codes for data links, such as ABS J1939 time outs, communication errors, and Engine ECU’s data...