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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Driving down the highway, or even sitting at a red light,

Customer Question

driving down the highway, or even sitting at a red light, the transmission will ocassionally throw a code, and then it goes into limp mode
JA: Just to clarify, what are the exact lights you're talking about?
Customer: the red light? is that what your asking
JA: What is the model/year of your Chevy?
Customer: 2004 Silverado 3500 lly duramax allison
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: new pressure switch manifold, and the a and b trim solenoids
JA: Anything else you think the mechanic should know?
Customer: not sure
Submitted: 3 months ago.
Category: Chevy
Customer: replied 3 months ago.
I also replaced the neutral safety switch
Expert:  Nate replied 3 months ago.

What code are you getting? I can do some research here and see what you have to do in order to get it fixed.