Codes C1229 and C1290?

Tiny
WARREN1814
  • MEMBER
  • 2000 FORD E-SERIES VAN
  • 4.2L
  • V6
  • 2WD
  • AUTOMATIC
  • 165,500 MILES
After having my speed sensor fixed on the differential the codes C1229 and C1290 came back. Any idea what could be wrong and what are my next steps to fix this? So far, my scanner hasn't picked up any other codes except for these 2. The repair shop people said after putting their scanner on it, it didn't pull up any codes at all. Something isn't right here. Unless they just said they replaced the speed sensor and didn't or they just didn't want to fix it etc. (I don't know)
Saturday, August 19th, 2023 AT 9:45 AM

55 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,047 POSTS
Hi,

The C1229 is related to the single speed/ABS sensor as you mentioned. I attached diagnostics below specific to the vehicle and code.

The C1290 is related to the steering angle sensor. Actually, the two are tied together. However, I don't believe this vehicle has a steering angle sensor. Is this an E150 cargo or passenger van?

Also, I have some questions you may find odd. When driving straight down the road, is the steering wheel centered as it should be? Have you had an alignment recently done?

Let me know. Also, let me know if this is an E150 or E250.

Take care,

Joe
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Saturday, August 19th, 2023 AT 9:01 PM
Tiny
WARREN1814
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Hello there, Joe, I'm so sorry I posted the wrong codes. The codes I get still are C1230 and C1229 (someone may want to change this thread heading to say that) and the van is a custom one but I believe it once was a cargo van. The basic length type. And no I haven't had an alignment done in a long time and far as driving it goes it stays pretty straight. And its a 2000 Ford E-150. My van looks like this one in the picture but not that fancy (minus the high top, fender flairs and mag wheels). Also, is it safe to continue driving my van as long as the ABS light keeps coming on and going off?
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Sunday, August 20th, 2023 AT 12:00 AM
Tiny
JACOBANDNICKOLAS
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Hi,

No problem whatsoever. Now I have a problem. LOL I'm not finding either of those for this year, make, and model. Are you certain the first letter is a C and not a P?

Let me know.

Joe
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Sunday, August 20th, 2023 AT 6:47 PM
Tiny
WARREN1814
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LOL Please don't say that. And yes, these are the codes that I am finding with my scanner. Both error codes are C1230 and C1229. And these are the only error codes I have at the moment (Praise the Lord) too. But I did have a quick question for you. On my van where is the ABS tone ring gear located? My van is a 2000 Ford E-150 4.2L V6 2WD, Automatic, and the scanner I use is the Bosch OBD 1100.
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Sunday, August 20th, 2023 AT 6:59 PM
Tiny
JACOBANDNICKOLAS
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Hi,

The rear anti-lock brake sensor indicator (tone ring) is attached to the ring gear in the differential. It is necessary to remove the ring gear in order to remove the rear anti-lock brake sensor indicator.

As far as the front, they are mounted on the inside of the brake rotor. See pic below.

Let me know if this helps.

Take care,

Joe

See pic below.
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Sunday, August 20th, 2023 AT 8:06 PM
Tiny
WARREN1814
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Hello there, thank you so much for taking the time to answer my questions. What I plan on doing is calling this axle repair shop I know and see if they will install a new tone ring and ABS sensor. Hopefully they will. The last shop I went to said they fixed it, but it appears they didn't etc. Any idea on what a job like this will cost me? Taking an educated guess that is, etc. And if doing this doesn't work any idea what could be the problem? Any idea? I would like to know ahead of time so if anything, else is needed I can ask the guy to fix it while he has everything apart etc. And yes, I want you and Ken, and all the others posted, always a helps out! :-D
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Sunday, August 20th, 2023 AT 9:09 PM
Tiny
JACOBANDNICKOLAS
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Hi,

The toner ring in the differential usually doesn't fail. What I have seen happen is they get corroded with dirt. Before taking it to a shop, remove the sensor and see if there is a build-up of dirt on the ring. You may want to consider removing the differential cover and servicing and cleaning everything.

If you look below, I attached the labor (flat rate) time for replacing the ring. It calls for 1.5 hours. It doesn't provide a part number, so I have a feeling you may have trouble finding one.

The remaining pictures are the directions for replacing the sensor. I'm suggesting this because by removing it, (not easily) you should be able to determine if it is a dirt issue. There could be dirt on the sensor or on the ring itself.

Let me know if this helps or if you have other questions.

Take care,

joe

See pics below.
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Monday, August 21st, 2023 AT 6:21 PM
Tiny
WARREN1814
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Okay. I will have to let the repair shop do that for me if they will. I'm in a wheelchair and I can't do that unfortunately. Maybe he will check it and clean it for me. Hopefully he will be nice enough to do that for me. And thank you for showing me the extra pictures too. And okay I sure will let you know if this helped or not I am pretty sure it will. What you guys post always helps. And not to worry if I have more questions I will be back. I have told others about 2CarPros website, don't know if they gave you guys a try yet.
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Monday, August 21st, 2023 AT 9:48 PM
Tiny
WARREN1814
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Update (well kind of): Today I went to get my ABS tone ring (they are supposed to look at that and clean it or replace it next week).

I hit my brakes hard today and my van pulled kind of hard to the left. It did that 2 times and then it quit doing it the rest of the way home. Should I be worried about my van doing that? This is the first time my van has ever done that too. At least while I have owned it anyway. The ABS light keeps going on and off too.
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Friday, September 1st, 2023 AT 12:49 PM
Tiny
JACOBANDNICKOLAS
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Hi,

That doesn't sound good. When you have a pull when the brakes are applied, usually a brake caliper is failing. If it pulled hard to the left, the right caliper may not have responded when you hit the brakes.

Have you had it happen again, or does it seem to be working normally now?

Let me know.

Joe
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Friday, September 1st, 2023 AT 10:37 PM
Tiny
WARREN1814
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Okay, I will let you know. But after it did it 2 times yesterday. It didn't do it any more on the way home. One guy even told me it could be what is called a banjo bolt that could be the problem too. He said before you owned it someone could have had the brakes replaced and not put the original bolts back in. Then I said what is the difference, a bolt is a bolt. He said it makes a big difference. He said not all of those holes in a banjo bolt are drilled out to the same specs. Then he said I would rather it be a banjo bolt that cost $4.00 than to buy all of those other parts needed. After hearing all of that I am more confused than ever but one thing for sure I don't want it to pull to the left like that again. That scared me big time.
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Saturday, September 2nd, 2023 AT 9:55 AM
Tiny
JACOBANDNICKOLAS
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Hi,

I understand the confusion. If there is anything I can do to help, let me know. I'll try my best from here to help you through checks and repairs.

Also, a banjo bolt wouldn't work most of the time and not others. I suspect that isn't the cause.

Let me know.

Take care,

Joe
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Saturday, September 2nd, 2023 AT 8:53 PM
Tiny
WARREN1814
  • MEMBER
  • 145 POSTS
Thank you for taking the time to write to me and help me out. I do appreciate all the answers I get from you Joe and all the others too. I will test the van again tomorrow and let you know if it is still doing that etc. I sure hope it's not the banjo bolt. But then again. Sometimes the smaller parts can be a pain in the butt too. Anyway, I will let you know.
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Saturday, September 2nd, 2023 AT 9:36 PM
Tiny
JACOBANDNICKOLAS
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Hi,

Sounds like a plan. The only thing I can say about the banjo fitting is if the drilled hole in the bolt is somehow too shallow or deep. Other than that, I'm struggling to think of how it would cause this. Also, it is unchanging. Once it is bolted, it doesn't move, so it shouldn't work most times and not others.

Regardless, let me know what you find.

Joe
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Saturday, September 2nd, 2023 AT 10:47 PM
Tiny
WARREN1814
  • MEMBER
  • 145 POSTS
Well, I drove it to the store and church today and it didn't pull at all. I even tested down a street where nobody was. And press the brakes kind of hard too. No pull at all. The ABS light came on and went off but that is all praise the Lord. I'm going to have the ABS tone ring looked at either Thursday or Friday (Whenever the shop says he can get to it). I will put my scanner on it later today and see if any new codes show up. Hopefully none.
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Sunday, September 3rd, 2023 AT 12:38 PM
Tiny
JACOBANDNICKOLAS
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Hi,

That is good news. I'm glad it hasn't happened again. As far as the ABS light, make sure the brake fluid is full. If it gets low, it can turn the light on as well. LOL

Let me know if you find any different codes.

Take care,

Joe
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Sunday, September 3rd, 2023 AT 9:21 PM
Tiny
WARREN1814
  • MEMBER
  • 145 POSTS
Hello there. Yeah that was very good news. And I will have the brake fluid checked as well. I hope it was something simple I over looked that keeps that abs light going on and off etc. I will let you know about the codes comes up as well. Is there any way a code scanner can tell you what the fuel pressure on a car or truck is can it? IF so how, I thought the fuel pressure gauge was all mechanical type stuff. I don't see how a code scanner could detect something like that since its mostly software etc. Anyway I will keep you guys updated! :-)
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Monday, September 4th, 2023 AT 11:54 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

Some vehicles are made using a fuel pressure sensor. If it has one, then a scan tool can be used. On the other hand, usually, if there is a fuel pressure-related issue without a pressure sensor, you will likely get codes related to a rich or lean fuel mixture.

Joe
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Tuesday, September 5th, 2023 AT 5:57 PM
Tiny
WARREN1814
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Oh, oh okay. I was wondering how that worked. Well, here is the error code that came up while driving home today. It's not a new code but I took a picture of it and maybe you guys can make sense of what the scanner is saying. It's the same code as before but this time it was scanned with another scanner. Well I will update you guys on the ABS tone ringer tomorrow.
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Wednesday, September 6th, 2023 AT 8:16 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

Based on the scanner, either you have a faulty sensor, the toner ring is corroded/dirty, or there is a wiring problem.

Have you checked the wiring at the sensor on the rear axle? Also, is the connector in good condition and not corroded or damaged?

Just out of curiosity, does the sensor appear new? I remember you saying it was replaced.

Let me know.

Joe
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Thursday, September 7th, 2023 AT 1:30 PM

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