- May 16: Mazda SKYACTIV-G 2.5T Engine Reliability Challenged in Lawsuit news | 1 days ago
- April 27: Mazda SKYACTIV-G 2.5T Engine Problems Cause Lawsuit news | 20 days ago
Mazda TSB #SA-003-22b
2021 Mazda CX-30
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- CX-30. Mazda3: Prior to February 8, 2022, some vehicles may store DTC U0300:57 (Body control module (BCM) internal malfunction) and cannot be erased after a BCM replacement or MDARS BCM software update (NOT with BCM update for SSPC5 or 4621B using MDRT). This is caused by a BCM-VCM software error. Customers having this concern should have their vehicle repaired using the following repair procedure. MX-30: Some MX-30 vehicles may store DTC U0300:57 (Body control module (BCM) internal malfunction) and cannot be erased after a BCM replacement or MDARS BCM software update. This is caused by a BCM-VCM software error. Mazda is aware of the issue and is working on a resolution. If there is an issue with this concern, Mazda recommends putting customer in a loaner vehicle at this time. DO NOT perform BCM software update with MDARS until further notice. This SA will be updated with the newest repair information as it becomes available.
Click a tab for more information.