If you are reading this, chances are you have just plugged a scanner into your Nissan and were greeted by the cryptic code: U1025-00.
Before replacing any parts, follow this professional diagnostic workflow. You will need a multimeter and a bi-directional scan tool (e.g., Autel, Launch, or Nissan Consult II/III). nissan u1025-00
Check Engine Light (CEL): The MIL will illuminate on the dashboard. Signal integrity:
: Incorrect voltage levels on the CAN High or CAN Low lines (should typically be around 2.5V each). Recommended Steps Inspect the Plug nissan u1025-00