3659 Error Code For Interstate Tractor Tractor Models
There are 2 kind of error description.
ISM-IDI Engine ECU Battery Supply Voltage High Red
F5C EGR Valve Circuit - Short Circuit To Ground (A = 60pin Connector - Engine A35) Engine
Partial frosting and sweating of lines combined with poor cooling, fan belt slipping, loss of refrigerant, restricted or clogged liquid line or expansion valve malfunctioning.