that appears when another system fault forces the engine control unit (ECU) to disable the cruise control for safety. Common Root Causes
The DTC 1525F3 code is a common "umbrella" fault found in the Renault Megane 3. If your dashboard is displaying "Check Injection" or "Check Cruise Control" alongside this code, here is what you need to know to fix it. What Does DTC 1525F3 Actually Mean?