Transmission Control Module (TCM) faults are not unknown on these early Mazda 3s. Symptoms usually involve erratic shifting, a failure to select gear at all and having the car go into limp-home mode.

Q: I just read your column responding to a question about ignoring a check engine warning light. I have a 2004 Lexus ES330 that had a check engine warning light. After a couple of weeks I was able to ...

The 2019 Cadillac CT6 and 2020 Cadillac CT6 have been included in a bulletin from GM granting extended special coverage for a transmission valve defect that can cause wheel lock-up and possible ...