VSA light comes on and the brakes grind

  • 2009 HONDA PILOT
  • 6 CYL
  • 4WD
  • 150,000 MILES
So I changed the brakes on my car just the pads and the pedal wasn't getting pressure. So took to a mechanic and he said we had a bad master cylinder so he replaced it. When we took it back and right before we get home this grinding and burning smell was coming from the brakes and we couldn't turn and it was hard to turn. We called him he said drive it it's fine it's just some oil on the pads, but the problem persisted and the VSA light, ABS, the a/t temperature light came on and the front driver side brake was sorta smoking and under the hood it smelt like eggs. So he towed it back said it was a bad pump on the master cylinder. We brought to replace the bad one and then we re replaced the master cylinder and got the car back again, but soon as we drove it we had to pull over there was this humming noise or sum vibration and then the VSA light came on and could barely move or turn the corner to pull over. He tells me now it's a bad ABS pump on my truck.
Do you
have the same problem?
Tuesday, August 11th, 2020 AT 9:18 AM

1 Reply


At this point, you need to scan the CAN bus system to see where the failure is. If it was just a light, then I would say a wheel speed sensor is bad. However, since the brakes lock up and you can't turn the vehicle it seems to indicates something different.

CAN stands for computer area network. If you scan the system, it will identify any and all faults. At that point, a determination can be made on what is causing the failure. If you don't, chances are you will keep replacing parts that aren't bad until you hit the right one.

Here is a video showing how it's done:


Ask if he has done that and if he did, ask for the diagnostic trouble codes that were found. Let me know what they are.

Take care,
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Tuesday, August 11th, 2020 AT 3:39 PM

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