International dtc 534. I have narrowed it down to the IDM Relay I have constant 12v to all the prongs with the relay plugged in. Fault Codes DTC of International Navistar Truck 311 EOT Engine Oil Temperature signal out-of-range low 312 EOT Engine Oil Temperature signal out-of-range high Active codes 534 and 525 typically indicate sensor or module communication issues. moh. Begin by inspecting wiring harnesses and connectors for damage or corrosion. It doesnt show symptoms of a fault but it has the engine light on. Dec 16, 2016 · 2005 EGR DT466 Multiple codes, Oh My - School Bus Fleet Magazine Forums This page was generated in 0. 4. Sep 14, 2006 · All Forums Professional Garage Enter Forum: Professional Garage 466 DTC List New Topic Reply to Topic Printer Friendly Dec 30, 2019 · I am getting codes of 534 and 525 and no start 03 dt466. DTC 534 can be set due to a poor connections between relay and batteries, poor connections between relay and IDM, a blown fuse, or a failed IDM main power relay, discharged batteries or increased resistance in the battery feed circuits. My question is where does that wire go to? and could a computer issue cause constant . cjt4d cylpwg pdlj wx h0cdq jbjso v8k21vx 6hm4h ma tljqtw