Speedometer and cruise control not working

Tiny
KINGR30
  • MEMBER
  • 2004 NISSAN MAXIMA
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 123 MILES
My speedometer don't work and my cruise control and I have my brake and ABS light on. I gave change both speed sensors they told me to change in AutoZone and nothing.
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Monday, June 1st, 2020 AT 9:13 PM

12 Replies

Tiny
KASEKENNY1
  • EXPERT
Did they give you the specific codes that they found pointing to the wheel speed sensors? I suspect you have a wiring or module issue at this point but let me know what the codes are and we can get the detail to figure out next steps.

Just from this info, this sounds like a speed sensor issue but it may not be the wheel speed sensors. It could be a vehicle speed sensor. Getting the codes will help figure this out. Thanks

https://www.2carpros.com/articles/brake-system-warning-light-on
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Tuesday, June 2nd, 2020 AT 1:04 PM
Tiny
KINGR30
  • MEMBER
I have a p0500 and p1574 and I also have p0460.
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Tuesday, June 2nd, 2020 AT 2:29 PM
Tiny
KASEKENNY1
  • EXPERT
P0460 - Fuel Level sensor circuit malfunction
P0500 - Vehicle Speed Sensor
P1574 - ASCD Vehicle speed sensor

This is as I suspected that this is the vehicle speed sensor and not the wheel speed sensors. Basically these codes (except the fuel level sensor which is not related) are telling you that the input and output speed sensors are not the same.

Here is all the testing that needs to be done for each one of these. Let us know if you have questions.
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Wednesday, June 3rd, 2020 AT 7:54 PM
Tiny
KINGR30
  • MEMBER
Are the sensors look the same because the one I purchase they look the same. Can you send me a picture of the ones I need to install?
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Thursday, June 4th, 2020 AT 4:24 AM
Tiny
KASEKENNY1
  • EXPERT
I attached the info for these sensors and yes, they look similar but these are found in the side of the transmission. If you replaced both of these and you still have these codes then the sensors are most likely not the issue. Rather a wiring issue or control module issue. We need to run through the testing to confirm.
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Thursday, June 4th, 2020 AT 8:20 PM
Tiny
KINGR30
  • MEMBER
Okay, so I have to check if there electric going through the wiring to the connector right. Where is the control module and is that expensive? So it can be the module correct? Is that the computer of the car?
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Thursday, June 4th, 2020 AT 10:06 PM
Tiny
KASEKENNY1
  • EXPERT
Unfortunately this is not definitive. We actually need to look at what the computer of the car is seeing from these sensors and to do that you need a scan tool capable of seeing the RPM signals from each sensor. These two signals need to be what the ECM is expecting to see from each one so that it can confirm the engine and transmission are operating the way it is supposed to.

Without this scan tool, we would be guessing because just because there is voltage does not mean it is sending the proper signal to the ECM.

Does that make sense?
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Friday, June 5th, 2020 AT 9:27 AM
Tiny
KINGR30
  • MEMBER
I took it to a shop and they put the scanner and they said my sensors where good, that is something with signal to the computer. Something like that.
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Friday, June 5th, 2020 AT 9:56 AM
Tiny
KINGR30
  • MEMBER
He said that my rpm's was showing on the computer and the speed but I can't see it on my cluster and I changed my cluster thinking it was the cluster and nothing still the same.
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Friday, June 5th, 2020 AT 9:57 AM
Tiny
KASEKENNY1
  • EXPERT
Okay. This is good info. I suspect the issue is the Unified Meter and AC amplifier. Take a look at this info. The sensors send the signal to the ECM. The ECM then sends the signal to the unified meter and it sends the command to the cluster. If the cluster is new and the ECM is getting the signal of the engine speed then the issue must be this component.

I included the process on how to check it and make sure the circuits are okay and if they are then the component is confirmed as the issue.

Let me know if you have questions and we can go from there. Thanks
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Saturday, June 6th, 2020 AT 6:36 AM
Tiny
KINGR30
  • MEMBER
But if the ac amp is bad my gauges won't work right because my rpm gauges work and fuel gauge. But my fuel gauge just go up and down sometimes when I make turns, but my speedometer does not move at all.
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Saturday, June 6th, 2020 AT 2:01 PM
Tiny
KASEKENNY1
  • EXPERT
If the entire circuit board was failed then that could be. However, take a look at the screen shots of the testing I attached earlier. This lists the Unified meter as a possible cause so if we run through the testing laid on in those documents, you can confirm this but I am just trying to piece that together based on what you told me.

Let me know if you have questions but if you have doubts then we need to do the testing which is what I would do because I don't like replacing parts if they are not confirmed.
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Sunday, June 7th, 2020 AT 4:54 PM

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