In plain English: The Engine Control Module (ECM) or the unified meter and AC amplifier (U1000/U1010 network supervisor) has stopped receiving valid data from the Anti-lock Brake System (ABS) actuator control unit over the Controller Area Network (CAN) bus.
If you are reading this, chances are you have just plugged a scanner into your Nissan and were greeted by the cryptic code: . nissan u1025-00
If you're driving a Nissan—particularly a Navara or NP300 with the YD25 engine—and suddenly lose power, seeing can be frustrating. This code specifically points to a "Turbocharger Boost Communication Line" error. Unlike simple mechanical failures, this is a "handshake" problem where your Engine Control Module (ECM) can't talk to the turbocharger's actuator. What Does U1025-00 Actually Mean? In plain English: The Engine Control Module (ECM)