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Yukon XL Check Brakes System light

Tiny
C5FAN
  • MEMBER
  • 2003 GMC YUKON
  • V8
  • 2WD
  • AUTOMATIC
  • 113,000 MILES
2003 Yukon XL - My Service Brake System lights has been occasionally coming on. Took it to a shop and was told the Brake Control Module needs to be replaced. Since the light only comes on in hot weather, how is this module affected and is it either good or bad? It is cool in Fla now and the light rarely comes on. The job is estimated at over $1200 to replace and I don't want to waster money if it is a sensor.
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Sunday, November 28th, 2010 AT 11:33 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You are welcome to get a second opinion on the diagnosis but when someone tells you that you have a bad control module that doesn't translate to a bad sensor. The system is identifying a fault and when it does, it shuts the ABS system down and makes it completely inoperative during that period. It's probably save to drive to the point that the Anti-Lock system is not working but basic braking still is.
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Sunday, November 28th, 2010 AT 12:10 PM

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