Nissan U1025-00 [top] -

Lena didn’t think much of it when the orange icon flickered on her Nissan’s dashboard. U1025-00. Her code reader spat it out like a bad cough: CAN communication circuit — no signal . She cleared it. It came back. She cleared it again. It came back before she reached the highway.

U1025 — Nissan Pathfinder (3G) дизель, 2,5 л, 2013 года

The Silence Between Pulses

While U1025-00 can appear on any Nissan with a CAN bus system (roughly 2005 and newer), it is most frequently reported on:

. Because the ECM can’t tell the turbo how much boost to provide, the vehicle often enters a "limp mode" to protect the engine. Common Symptoms Significant Loss of Power nissan u1025-00

like the Navara, Frontier, or NP300—is suddenly feeling sluggish, you might find the fault code stored in the system.

: Check the wiring harness leading to the turbocharger for signs of heat damage, fraying, or rodent bites. Lena didn’t think much of it when the

That said, newer models with advanced driver-assistance systems (ADAS) are also susceptible, particularly after a battery jump-start or a software glitch.

The ABS light came on again. Steady. Not blinking. She cleared it

In this guide, we will break down everything you need to know about the code. We’ll cover what it means, what causes it, the symptoms you might experience, and most importantly, how to diagnose and fix it correctly without replacing unnecessary parts.