I didn't recall seeing an airbag light in the warning light panel, however upon extensive scouring of the internet (watching dash YouTube videos so that I could pause it at exactly the right second when they turned the key into the on position), it appears to be the light immediately over the Check ...

Why would it be a dealer reset only? VIDA+DICE isn't really an issue. I was strongly debating picking up an interface for my diagnostic laptop (an old ASUS EEEPC I use only for reading codes with my ELM327 OBDII reader and playing Pandora in the garage), probably this one on Amazon . A $100 tool ...

I'm looking at a 2002 Volvo V70 XC for my mother-in-law. It's got a few OBDII codes (P0030, P0700, P0705), which all seems straightforward (Front O2 Sensor, Transmission PNP Switch are simple replacements). It needs a rear wheel bearing (again, simple fix). But for $2300 the mechanic that is selling ...

Read the codes, preferably with DiCE+VIDA, but as one hypothetical reason you may have worn transmission selector position sensor. Mine quit one morning at -20F weather when car was only 8 years and 110k miles old. It isn't too bad job to replace, neither the part is too expensive, but in case the ...

The short version:
How do I read TCM codes? Can I read them through a standard OBDII reader or do I need to bring the car to a transmission shop?

The long version:

I'm helping my brother figure out the situation with his car (I'm the mechanically inclined member of the family).

His car is a ...