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rpmdiag, Tech and Instructor
Category: Chevy
Satisfied Customers: 6702
Experience:  Since 1975
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Service ESC/ service traction. Westgate Chevy dealer in

Customer Question

service ESC/ service traction. Westgate Chevy dealer in Edmonton Alberta is not able to solve the problem. The car was a whole day in the shop, result 0.
JA: How long has this been going on?
Customer: 4 weeks
JA: What troubleshooting have you tried?
Customer: new spark plugs and injectors
JA: The email expert can solve this for you. Anything else you want him to know before I connect you two?
Customer: no
Submitted: 1 month ago.
Category: Chevy
Expert:  rpmdiag replied 1 month ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 1 month ago.

That's a tough one when the dealer can't fix their own vehicles, sorry to hear that news.

What needs to be done is attach a scan tool to the computer system and read ALL the modules for possible codes.

Then they need to do some bidirectional testing of every module to see if they communicate.

If all these tests pass, then the computer needs to be re-flashed or replaced. We don't know exactly what they did when it was there, but what I told you is the correct protocol to do.

Thanks, Ron

Expert:  rpmdiag replied 1 month ago.

Hi, I'm just following up with you to see if you have any more questions.
Thanks, Ron

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