2004 FrtLiner M2 with Cat 3126, ESN HEP37187, VIN: 1FVACXAK74HM54259. Came in for some gauges, tach didn't work part time and message on dash for no engine, no J1587. Repaired some datalink wires, replaced CHM and ABS module (it was shorted internally). Everyt... Login to read more.