The Brake Pedal May Become Soft and/or Low on Acura TSX

Some vehicles may develop a soft, low brake pedal. Our technicians tell us this condition may be caused by a faulty vehicle stability assist (VSA) modular control unit. If this is the case replacement of the VSA modular control unit would be required.

RepairPal Verified
Average mileage: 59,571 (20,000–135,000)
6 model years affected: 2004, 2005, 2006, 2007, more2009, 2010
12 people reported this problem
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problem details
2007 Acura TSX 55,000 mi,
Pedal goes all the way to the floor and is 'mush'...but I can 'pump it up'. No weird noises or cryptic messages on the dash...no leaky fluid. Fluid reservoir remains full, and I've got good discs...just not working as it should. Still looking for a solution.
pedal doesnt engage until pushed low or is pumped. Squishy brakes.
2007 Acura TSX 20,000 mi,
This was already fixed on my 2007 tsx a few years ago and I am taking it in again this Thursday for the same problem! The odometer only just turned over 21,000! GRRRRRRRRRRRRR!
2010 Acura TSX 135,000 mi,
Brake pedal mushy. Doesn't hold pressure.
2009 Acura TSX 75,000 mi,
Intermittent problem with soft brake pedal. Had brakes bled$. Had master cylinder replaced$$. Still have problem. Will replace vsa next. How aggravating.