07-29-2022, 10:25 AM
My SWAG (scientific wild ass guess) inclines me to believe that when W.W. Williams replaced the ECM, they failed to correctly connect the CAN high and CAN low wires from your DDEC port to the new ECM.
Jon & Chris Everton
1986 40' Dog House #86
450 hp ISM 5 spd ZF Ecomat 2
2004 Range Rover L322 Toad