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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2007 cobalt lock sign and check engine light come on and it

Customer Question

2007 cobalt lock sign and check engine light come on and it won't start . after a while fooling with it it tarts but power steering , low fuel, and the gears start misfunctioning. than the lights go away and it runs good for a while and than it happens again.
JA: Thanks. Can you give me any more details about your issue?
Customer: yes sometimes the lock light comes while driving and it starts jerking and the rpms fluctuate
JA: OK got it. Last thing — Chevy Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: Chevy
Expert:  JOHN aka Eauto replied 1 year ago.

have you scanned for codes?

Customer: replied 1 year ago.
u0073
Expert:  JOHN aka Eauto replied 1 year ago.

any modules not communicating with the scan tool?

Customer: replied 1 year ago.
just gives me the U0073 Control module communication Bus off
Customer: replied 1 year ago.
can you please email the to***@******.***? the system level on scan tool is red. Thanks John
Customer: replied 1 year ago.
Got to go , Thanks again
Expert:  JOHN aka Eauto replied 1 year ago.

what type of scan tool are you using?