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Randall C
Randall C, ASE Master Tech
Category: Chevy
Satisfied Customers: 12803
Experience:  ASE Master, L1, 32 years, Diagnostic / Electrical Specialist
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I am trying to figure out if I have ITBC on my 2011 suburban

Customer Question

I am trying to figure out if I have ITBC on my 2011 suburban Z71 with a towing package
JA: What is the model of your '11 Chevy?
Customer: Suburban
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I just want to figure out if I have ITBC or not
JA: Anything else you think the mechanic should know?
Customer: no
Submitted: 1 year ago.
Category: Chevy
Expert:  Randall C replied 1 year ago.

Hello, do you have a switch on the knee bolster to the left under steering column?

Customer: replied 1 year ago.
Expert:  Randall C replied 1 year ago.

thanks, ***** ***** do not. You would then need to go with an aftermarket unit brake controller. Actually, they work better than the factory ITBC. You can select one for your model and follow instructions to install. I have included a couple links to look at, If you had the ITBC? you would have the switch as well as control module on the frame,. I will add there was a recall for the module from factory and,, they had problems over the years, Best fix? aftermarket controller

here are the links