How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Tim's Auto Repair Your Own Question
Tim's Auto Repair
Tim's Auto Repair, Mechanic
Category: Car
Satisfied Customers: 15964
Experience:  Have owned a repair shop for 25 yrs.
Type Your Car Question Here...
Tim's Auto Repair is online now
A new question is answered every 9 seconds

1990 gmc half ton flashing code 9

Resolved Question:

1990 gmc half ton flashing code 9
Submitted: 6 years ago.
Category: Car
Expert:  Tim's Auto Repair replied 6 years ago.

code 9?

the codes for this year start at 12..there is no 9...please explain this



Customer: replied 6 years ago.
its comeing through the brakelight on the dash . i had a R.R. wheel cylinder go out . fixed that problem . now the brake light flashes 9 times then pause constantiy. the fluid isnt low . its doing it without the papperclip conecting the A and B .
Expert:  Tim's Auto Repair replied 6 years ago.


this is a open circuit to the speed signal..sense you have had work done on the wheel cylinder,check the sensor,,in may be loose or have gotten damaged at the speed sensor


Please ACCEPT my answer so I can get credit for my work.i don't receive commission unless you do ..I'm not always going to be giving you good news,so please don't let this stand in the way of you accepting my does not cost you more money.we will still be able to communicate.. Bonuses and positive feedback are appreciated!if you are not satisfied with my answer,please do not leave bad feed back,i will gladly opt out and let another expert handle the question.if i have sent any diagrams,please print them.they will only stay on here for an hour or so.PLEASE ASK IF YOU NEED MORE HELP


Code 9 Diagnosis (Open Circuit To Speed Signal)

Tim's Auto Repair and 5 other Car Specialists are ready to help you
Customer: replied 6 years ago.
i try to acept it wont let me
Expert:  Tim's Auto Repair replied 6 years ago.

you did accept

thanks for using justanswer