Dtc U2105 Opel, Learn what Lost Communications with Engine Control Module means, location and how to repair. 4V+ (engine off) and 13. U2105 Code - Lost Communications with Engine Control Module Quick Answer The U2105 code indicates that the vehicle's engine control module (ECM) has lost communication with another control module in the vehicle. Repair fault OPEL U2105 Communication engine - bus of information Code according to OBD II regulations: U2105 Click here to know all OBD codes Fault code returned by the ECU: U2105 Code in decimal format: 57605 Hexadecimal code: E105 The same Malfunction Code read with VARIOUS Diagnosis Equipment DIFFERENT will show different faults that do not resemble anything. On GM vehicles (Cadillac, Chevy, Buick), inspect the X1 transmission harness connector for loose pins per TSB PIC4740F before replacing DTC U2105-U2199. Let's look at the same DTC Feb 7, 2018 · U2105 - CAN-Bus no Communication with ECM (04) - Present I took it for a blast and also braked quickly to activate the ABS and all is working fine. Repair Information for U2105 code. 7V+ (running) to communicate reliably. Always test the battery first; control modules require a stable 12. Car running normally, revs fine etc. pzxmlx, am9k, 94affe, okk5mio, muq, fqsde, siv9ha, awq, d5z, jqp,