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Ask Chris (aka-Moose) Your Own Question
Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Chevy
Satisfied Customers: 47661
Experience:  16 years of experience
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I cannot communicate with my tcu, 2003 2500hd 6.6l with

Customer Question

I cannot communicate with my tcu
JA: What is the model/year of your Chevy?
Customer: 2003 2500hd 6.6l with allison trans
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: i have replaced the neutral safety switch, put in new tcu by dealer, was good for a week now the indicator and trans temp not working again
JA: Anything else you want the mechanic to know before I connect you?
Customer: i just installed a new fuel control module
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: it sometimes doesnt start and the security light flashes once and a while
Submitted: 8 months ago.
Category: Chevy
Expert:  Chris (aka-Moose) replied 8 months ago.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner past midnight.

  • Sorry no one has helped yet.
  • I can help with this question.
  • Reply and let me know when your able to work on this concern.
  • Do you have a volt ohm meter so we can test all the wires to confirm none are shorted to each other nor the chassis?
Expert:  Chris (aka-Moose) replied 8 months ago.

Hello again Chris here,

  • Sorry you were not pleased with my help.
  • What would you like to do regarding your question now.
  • This post is coming up on the 7 day mark where it times out. When a post times out, that means it's no longer on my active list (you reply and I may never know it.)

Thanks Chris