Nissan U1025-00

specifically means there is a communication breakdown between the ECM, BCM, and TCM.

If the code persists after a battery reset, the issue likely requires a professional scan tool to perform a to see if the EPB module is actually responding. To give you more specific advice, could you tell me: What is the year and model of your Nissan? nissan u1025-00

| Severity | Medium to High | |----------|----------------| | Drivability impact | Yes – limp mode | | Risk of damage | Low if driven briefly; prolonged driving may overheat transmission due to improper line pressure | | Estimated repair cost | $300–$800 (TCM replacement + reprogramming); $150–$300 if wiring repair | | Severity | Medium to High | |----------|----------------|

A lot of DIYers see “ECM” in the code definition and immediately buy a used engine computer. In 90% of U1025-00 cases, the modules are perfectly fine. The problem is the connection between them. nissan u1025-00