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2025MY - CX-50 Hybrid System Failure DTC P2530 UPDATED April 10, 2026 – STANDALONE PROCEDURE IS BELOW. The repair is a software update OR a check to make sure the software is at the current level with an ODR upload. DO NOT STOP AT THE “SOFTWARE UPDATE SUMMARY” screen in MDARS. You must continue to finish all steps in the entire procedure. You must have a “Software Update” entry present in MDARS for the PT_GWU showing current level OR updated. If you don’t have an entry for “Software Update”, bring the vehicle back in immediately for re-repair. Module to be reprogrammed or checked to make sure it is at the current level: 1. PT_GWU Section B: Repair Procedure Reprogram ECUs by MDARS and follow all steps as required. https://s3.us-east-1.amazonaws.com/tsd.mazdausa.com/MDARS/MDARS_ECU_ REPROGRAMMING_ PROCEDURE.pdf