I could really use some other input in diagnosing issues with my Vibe. I have a 2009 Vibe base 2WD with the 2.4L and the 5 speed automatic transmission (the Toyota U250 I’m quite positive).
Last week, the VSC off light started blinking along with my check engine and traction control lights coming on. I then would lose forward driving gears. The codes coming up were P0746 and intermittently P0796. 0746 indicates isssues with the pressure control solenoid A ( or SL1). Well, I replaced this solenoid, and only got to test ride around the block. Seemed alright but I’m sure I never left 3rd gear. Took it out today, the lights returned (haven’t got to get them read for codes yet) and lost forward gears going through a damn tunnel. Have to reverse out the wrong way. I find that if I put it into “manu-Matic” mode and keep it in 3rd, I can move forward.
I am working on getting the rest of the solenoids to replace (found a valve body with them on eBay). The only other sets are either priced ridiculusly high (nearly 700 bucks) or have to shipped from China and wouldn’t be here for a month!
Any input or ideas on if any other sensors or issues could be inciting this problem would be helpful. Perhaps the Vehicle Speed Sensor or Wheel Speed Sensor? (This issue did arise after I had to really Gun in while in 2nd, with tires constantly spinning, to get unstuck after recent ice and snow storm here.).
Sorry for the barrage of info. I am quite frustrated as this is my only running vehicle right now.