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Dan
Dan, ASE Certified Technician
Category: Audi
Satisfied Customers: 1694
Experience:  Auto Technician
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07 Audi S6 lost communication.with. TCM, 07, Yes, Car won't

Customer Question

07 Audi S6 lost communication.with. TCM
JA: What year is your S6?
Customer: 07
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Yes
JA: Anything else you think the mechanic should know?
Customer: Car won't start
JA: Does the engine turn over? How old is the battery?
Customer: New battery car won't do anything
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Audi Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Audi
Expert:  Dan replied 1 year ago.

Hello, my name is***** am an ASE master tech.

Have you checked all the fuses?

Customer: replied 1 year ago.
all is good
Expert:  Dan replied 1 year ago.

Does it click while trying to start?

Customer: replied 1 year ago.
Nothing
Expert:  Dan replied 1 year ago.

Have you checked the main fuse?

Customer: replied 1 year ago.
fuses ok
Expert:  Dan replied 1 year ago.

What codes do you have?

Customer: replied 1 year ago.
U0100
Expert:  Dan replied 1 year ago.

You are going to need to check power and ground at the ecm. Do you have a multimeter?

Customer: replied 1 year ago.
have a meter
Expert:  Dan replied 1 year ago.

Dan again,

anything else I can help you with? hoping you are satisfied with my service.

Could you please rate the answer, it would be greatly appreciated. Thanks!