Code C0045-0f, Service Stabilitrak

Tiny
GSTAUBIN71
  • MEMBER
  • 2013 CHEVROLET MALIBU
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
I just got this message on my dash screen. Had it scanned and came back Left Rear Wheel Speed Sensor. Circuit-Signal Erratic. Code is C0045-0f
(1-1). ABS light is on and the light with a car and 2 squiggly lines is on as well. Questions are: is this something that needs to be fixed quickly? I heard it doesn't really need to be fixed I just would not have the ABS function of my brakes. Also, what would this roughly run to have fixed as I'm not very automotive incline? Thanks
Wednesday, April 21st, 2021 AT 8:19 PM

1 Reply

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Hello. Based on AllDatas repair estimates, the list price of a speed sensor for the left rear wheel is $42.14. Labor is about 0.7 hours at whatever the labor rate is in your area. Assuming a $90.00/hourly rate, $63.00 for labor plus $42.14 for the part comes up to $105.14.

Now that's making a lot of assumptions. 1, it's assumes the problem is a failed sensor. It could be something cheaper, like a broken write, or it could be that you need a new sensor and reluctor ring. In short, it could be a $100.00 to $200.00 problem at the dealership. Smaller mechanic shops might be cheaper. Also, it's a fairly simple job. Not much harder than putting the spare tire on. So I'm going to attach instructions on how to do that if you should feel adventurous. These are screenshots directly from AllData.

If you do this, I would suggest not just changing the sensor, but also look closely at the wiring to the sensor. Look for bare or exposed wiring, or fraying that could be affecting the signal back to the computer or the power to the sensor. The wiring is probably covered in a protective sheath. Pull it back at least a foot for inspection purposes.

If after all of this is done the light and code persists, more inspection will be needed. But I suspect you'll find the issue in there.
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Wednesday, April 21st, 2021 AT 10:13 PM

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