It sounds like the ABS light is burned out. As for getting accurate codes and actually being able to reset them, what worked for me without dropping big bucks on a Volvo scanner was a laptop with Vol-FCR software and a generic FTDI USB interface that can be had off of ebay for about $15 (or maybe yo...

ATTN. D.I.Y.ers: Don't waste time with an OBDII scanner on theses cars! In a last-ditch effort to get some more pertinent info. on the DTCs, I utilized Vol-FCR software and a generic FTDI USB interface I've used with VAG-COM in the past. After some futzing with COM port settings, I got it to work, a...

Got the ABS and tracs light out. -Thank you Ozark Lee! You da man! On to the check engine light... Car runs and drives fine. Check engine light is on. The only code present is P0120. Checked with OBDII scanner. Graph on scanner shows no glitches in TPS operation. Code comes right back and light come...