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Code C1230, ABS speed sensor rear center input circuit failure

Tiny
RONNY ADEN
  • MEMBER
  • 2000 FORD F-450
  • 12,000 MILES
Light on dash stays on (brake-ABS ) code c1230.
Tuesday, November 3rd, 2020 AT 2:18 PM

8 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
There could be a number of causes for this. I attached the testing that we need to run through in order to find the cause. Let me know what questions you have and we can go from there. Thanks
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Tuesday, November 3rd, 2020 AT 2:35 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

I've attached picture diagnostic repair steps for you below. You didn't specify if it's 4 wheel rear anti-lock brakes but that is what I based it on. Let us know what you find and get back to us. Hope this this helps and thanks for using 2CarPros.
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Tuesday, November 3rd, 2020 AT 2:39 PM
Tiny
RONNY ADEN
  • MEMBER
  • 4 POSTS
Hi Danny Ronny here. A BlueDriver plugged into my dash on a E450 Super Duty 2000 Ford v10 motor home gave me code c 1230 wheel speed sensor rear center input circuit failure. ABS brake light stays on. I’m trying to find out how to replace this sensor?
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Tuesday, November 3rd, 2020 AT 2:59 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

Okay, just to be on the same page his is not an E or F - 450 but a motor home with the Code C1230? Also do you know if its rear wheel ABS or 4 wheel ABS? Let us know and we'll go from there. Thanks again for using 2CarPros.

Danny-
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Tuesday, November 3rd, 2020 AT 5:26 PM
Tiny
RONNY ADEN
  • MEMBER
  • 4 POSTS
Hey Danny, sorry it took me so long to get back to you. All I can find on this is a Dutchmen E450 class c 34ft 2000 Ford V10 model 31n vin # FDXE4554YHA06975 duly! R
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Wednesday, November 4th, 2020 AT 8:58 AM
Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
Replace the rear speed sensor. They are relatively cheap and go out pretty often. This is where I start if it were my vehicle and the sensor has never been replaced.
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Wednesday, November 4th, 2020 AT 9:26 AM
Tiny
RONNY ADEN
  • MEMBER
  • 4 POSTS
Yes! Thanks to all involved! Now I just need to see where it is? I’ve looked for it but it doesn’t seem to be visible! Not taken wheels off to inspect inside hub yet. Trying to find a repair manual on a e450 super duty v10 engine so I’ll be ready for repairers in the future? R
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Wednesday, November 4th, 2020 AT 10:31 AM
Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
It's mounted above the center of the axle housing. Held on with a 10mm bolt, once the bolt is out use a flat tip screw driver or a small pry bar and gently wiggle it up and out.
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Wednesday, November 4th, 2020 AT 12:54 PM

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