2018 "Check Brake System"

wheelman55 · Aug 24, 2017

"Check brake system" showed up on the main info screen Monday early evening. Had it checked today. Ended up being a $14 vacuum sensor.

https://parts.autonationfordwhitebearlake.com/oem-parts/ford-sensor-fl3z2c444b/?c=aT1NQTE1NDg4NSZyPWxheWVyXzEz

Schnatty2Dope · Feb 14, 2021

Where did you find the part for $14?

wheelman55 · Feb 16, 2021

Schnatty2Dope said:
Where did you find the part for $14?

price the dealer quoted me in the repair order.

jzweedyk · Feb 17, 2021

That may or may not fix the problem. That is what Ford tells the techs to replace first (I assume it is the most often the problem). I had to have both hubs worked on and also had a leak in the connector on my 19, after they replace the sensor and it did not fix it.

FordTechOne · Feb 17, 2021

jzweedyk said:
That may or may not fix the problem. That is what Ford tells the techs to replace first (I assume it is the most often the problem). I had to have both hubs worked on and also had a leak in the connector on my 19, after they replace the sensor and it did not fix it.

Ford doesn’t tell them to replace anything. The tech needs to pull the DTCs and perform the corresponding diagnostics in the Workshop Manual.

A vacuum sensor failure is unrelated to the hub disconnect system.

jzweedyk · Feb 17, 2021

FordTechOne said:
Ford doesn’t tell them to replace anything. The tech needs to pull the DTCs and perform the corresponding diagnostics in the Workshop Manual.

A vacuum sensor failure is unrelated to the hub disconnect system.

Not arguing, obviously you know way more than I do, but I am relating what my dealer said. After running the diagnostics they called support and were told to replace the sensor. When I took it in again with the same problem, Ford again told them to replace the same sensor. They didn't and found other leaks. Small town dealer, but very honest and upfront. It was the vacuum leak that caused the "check brakes" light and alarm.

2018 "Check Brake System"

wheelman55

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Schnatty2Dope

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wheelman55

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jzweedyk

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FordTechOne

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