Recent content by dsims

Here's a TSB for certain years: https://static.nhtsa.gov/odi/tsbs/2019/MC-10159195-0001.pdf "CHECK ENGINE LIGHT ON WITH DTC P2096:00"

I removed the Transmission Control Module and sent it to UpFix. They fixed it for about $275. After I reinstalled the TCM no codes have been thrown after 10 days of driving. If you have the same year car, it's easiest to get at the TCM's screws by removing the bracket with the motor mount...

Scratch the above. After driving the car for about 2 hours the CEL came back on with the same code:

The car (2010 Mazda 3, 2L, with 91K miles) threw a U0101 code: Lost Communication With Transmission Control Module. The code was not permanent, and I was able to erase it with an OBD tool. I noticed that the battery was 6 years old, so I replaced the battery. Afterwards, the code was thrown...

Exact same symptoms for my 2009 Mazda 3. Dashboard lights, radio had problems, loss of steering. After stopping and waiting 10 minutes, restarted and ran fine. Repeat loss of power steering on following days. My battery was 5 years old. I replaced it and no further problems.