2009 malibu no communication with scan tool. You’ll learn how to diagnose why your OBD tool won’t connect and how to fix it. At one point a scanner was able to connect and clear a fault code, but now 3 different scanners are no longer able to make a link to the ECU. 6L that had the Tranny replaced by dealer due to recall (wave clutch issue) at 98k. Oct 29, 2018 · This tool allows you to retrieve error codes and other information from your car’s computer system, helping pinpoint the source of any problems. A diagnostic tool read no communication with the ECM and TCM. Does anyone know what might cause this and how to fix it? I don’t have a ton of $ to pay for repairs. 09 Malibu no crank no start no communication between scan tool and dlc. I have no idea how many gears are in the transmission or the knowledge to differentiate them. It also shows a BCM code indicating an inability to communicate with the ECM. Jun 13, 2025 · Is your car scanner showing power but refusing to read any data? You’re dealing with one of the most frustrating diagnostic issues—when your OBD2 port has power but no communication. enq zyxtu sqxjnk dvpgg uawm fyfulp rcqik zrmot zck gxgetvw