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echase, Auto Technician
Category: Chevy
Satisfied Customers: 33
Experience:  ASE Master Auto,ASE Master Med/Heavy Truck, GM Master World Class Auto, GM Master Med/Heavy Truck
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The tcm located on a 2007 nbs silverado with 5.3..mounted..pcm

Customer Question

Where is the tcm located on a 2007 nbs silverado with 5.3? Is it mounted piggy back with the pcm?
Submitted: 10 years ago.
Category: Chevy
Expert:  echase replied 10 years ago.


I am unfamiliar with the nbs part in your question but either way the tcm is all part of the pcm with controls the engine and the transmission, the ony way you would have an external tcm is if you would have a duramax with an allison trans. Thanks for using JA!