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 link failures. Most of the time these codes will get erased and minimal or no troubleshooting will be done.
What does mid 128 Sid 231 FM2 error code mean?
I did 1000 miles and got only one code: MID144 PSID200 FMI9 .. it showed once and is inactive but maybe that is the problem of my enormous fuel consumption which is 4.5 mpg locally.. is it bad wiring .. where should I start to look?? cam sensor you can see in Values Monitoring as engine speed.
When to check the J1939 on pins C and D?
When checking the J1939 on pins C and D make sure the ignition is off and no modules are communicating when you check the resistance. What I see all the time are inactive codes in the ABS for J1939 time outs on Freightliner Columbia.
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 link failures. Most of the time these codes will get erased and minimal or no troubleshooting will be done.
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.
I did 1000 miles and got only one code: MID144 PSID200 FMI9 .. it showed once and is inactive but maybe that is the problem of my enormous fuel consumption which is 4.5 mpg locally.. is it bad wiring .. where should I start to look?? cam sensor you can see in Values Monitoring as engine speed.
When checking the J1939 on pins C and D make sure the ignition is off and no modules are communicating when you check the resistance. What I see all the time are inactive codes in the ABS for J1939 time outs on Freightliner Columbia.
