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Mark N
Mark N, Saab Master Technician
Category: Saab
Satisfied Customers: 117
Experience:  30+ years experience on all models of Saabs!
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Have a 2002 9-5 Aero - engine light is on but tech2 isn't

Customer Question

Have a 2002 9-5 Aero - engine light is on but tech2 isn't able to communicate with bus
JA: Has your vehicled stalled? Has anyone run a diagnostic test to pull the trouble code?
Customer: Not stalled. They aren't able to retrieve a code.
JA: Are you fixing your 9-5 yourself? What have you tried so far?
Customer: No - at an authorized repair shop.tried all different kinds off an tools. Need to find and repair gateway
JA: Anything else you want the mechanic to know before I connect you?
Customer: Recently replaced the battery - inside cabin smells a bit like exhaust
Submitted: 8 months ago.
Category: Saab
Expert:  john aka eauto replied 8 months ago.

are all the fuses good?

Customer: replied 8 months ago.
Checked fuses inside car but not under the hood
Expert:  john aka eauto replied 8 months ago.

can you check those and get back to me?

Customer: replied 8 months ago.
All are ok. Disconnected battery ad check engine light went out - happened before and then came back on.
Expert:  john aka eauto replied 8 months ago.

did you check for power to the DLC?

Customer: replied 8 months ago.
Expert:  john aka eauto replied 8 months ago.

and its getting power?

Customer: replied 7 months ago.
Expert:  john aka eauto replied 7 months ago.

have you tried with a different scan tool?

Customer: replied 7 months ago.
we have tried multiple scan tools and the battery was replaced last week. Believe it has something to do with the I-buss.
Expert:  Tool Hut replied 7 months ago.

Hi, My Name is ***** ***** for posting your question to just answer. I am a independent contractor for just answer. ASE Certified Master Auto Technician with 20 years experience. I am confident we can resolve your problem together.Please remember I don't know your skill level. I can't see, smell, hear, or touch the vehicle. It may take a few back and forth replies to get to a satisfactory resolution.There will probably be some equipment needed for a proper diagnosis. If you are not comfortable with this or do not have any test equipment please let me know ASAP. I also give you all of the information you may need in good faith expecting a positive rating. I am not compensated for my time until you leave a positive rating. Your rating should be based on the service you received.

Can you tell me which modules it communicates with and which one it doesnt? Please use tech2