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How to Troubleshoot ABS/VSA Codes on 2015 Civic Coupe EX: Need Advice!

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Old Jun 2, 2024
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How to Troubleshoot ABS/VSA Codes on 2015 Civic Coupe EX: Need Advice!

Hi, I need some help. I have a 2015 Civic Coupe EX. I bought a $120 scanner on Amazon designed for Honda, and I got these four codes. Initially, I bought the scanner because I noticed the car wasn't performing at 100%, but I have no dashboard lights on. Everything looks clear on my dash, but sometimes I feel like the car could be faster. It drives well, but it's a little annoying. This is my first Civic, so sometimes I wasn't sure if it was indeed a problem or if the four-cylinder engine was just slow. Anyway, I bought the scanner and got the codes. I did some research online and found that if I'm lucky, I might be able to replace the fuse that controls the ABS and VSA system. I already ordered a new one, and I'll try it tomorrow. I'll also try connecting and disconnecting the wire on the ABS VSA module. I'm just worried that I might have to replace the module; I looked online, and it's $1000 for a new one.

So, any advice on what I can do, or maybe I'm completely wrong, and the issue might be something else? Thanks; any help is appreciated.

Here are the codes: https://ibb.co/k2zTSDW

81-11 Modular-Control Unit Internal Circuit Malfunction
61-11 Modular-Control Unit Power Source Circuit (IG) Low Voltage
83-11 PDM Malfunction (Engine)
85-01 Problem in VSA System


Last edited by BiteDust; Jun 4, 2024 at 12:57 AM.
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Old Jun 3, 2024
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Re: How to Troubleshoot ABS/VSA Codes on 2015 Civic Coupe EX: Need Advice!

First step is always clear faults and see if they come back. Some, or all, of those faults can be caused by the battery getting low.
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Old Jun 4, 2024
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Re: How to Troubleshoot ABS/VSA Codes on 2015 Civic Coupe EX: Need Advice!

Thank you for the help. I'm pretty sure I can read live data and check this on my scanner; I just don't know what to look for.

So far, I cleaned the codes and drove from home to work, about 40 miles, and now I only have the 61-11 code, nothing else.

61-11 Modular-Control Unit Power Source Circuit (IG) Low Voltage

I will drive a bit more to see if the other codes come up again. How long do you think I should drive until one of those codes appears, if they are going to appear?

Last edited by BiteDust; Jun 4, 2024 at 01:01 AM.
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Old Jun 4, 2024
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Re: How to Troubleshoot ABS/VSA Codes on 2015 Civic Coupe EX: Need Advice!

Will your scanner read live data from the ABS module? See if it shows the battery voltage (that the ABS modules is reading).
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