HEY GUYS
I HAVE A COMMUNICATION PROBLEM ON A HEAVY TRUCK(CUMMINS ENGINE) SEE IF I COULD GET SOME HELP WITH.
NO COMMUNICATION WITH SCAN TOOL. CHECKED FOR + AND - AT THE DLC CONNECTOR-YES.
CHECKED J1939 WIRES WITH PICO- CAN HI IS SHOWING GOOD, EVEN DECODED IT IS GIVING ME INFORMATION
CAN LOW IS SAYING THERE IS A PROBLEM WITH THE DATA. I WILL UPLOAD THE WAVEFORM SOON.
THERE IS DEFINITLEY AN ISSUE WITH THE LOW SIDE. I CHECKED IT IN 3 DIFFERENT SPOTS-ALL SAME
RIGHT AT THE PCM IT IS THE SAME ALSO.
WHERE SHOULD I GO FROM HERE?
THANKS GUYS