Dic went crazy

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Oct 17, 2022 | 02:22 AM

chaldean

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Dic went crazy

Hey guys, about a week ago my cooling fan harness melted which caused the car to overheat. When the cooling fan harness went out, other messages popped up as well like Service electrical system, service active handling, service traction system, and told me to change my oil. I fixed the cooling fan harness, but those messages still appear except for oil change. I disconnected the battery over night, and about five seconds later the messages came up again and traction control light came on. Now every time I start it, the traction control light is on immediately with those messages. I think the battery is going bad, but I'm not sure. I have full bolt ons and a pcm tune from ECS.
2009 ls3 car

Thanks!
Nikko

Issue: Bad MAF extension.

Last edited by chaldean; Jan 27, 2023 at 02:22 PM.

Oct 17, 2022 | 01:44 PM

Benonmsn

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From: Los Angeles

Something common, such as you lost a ground wire or have a short.

Oct 17, 2022 | 02:49 PM

chaldean

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Quote:

Originally Posted by Benonmsn

Something common, such as you lost a ground wire or have a short.

Any idea where? Do you think it's at the harness I replaced? I tried pulling the codes, got nothing, took it to auto zone for them to pull the codes, and got nothing.

Oct 17, 2022 | 04:01 PM

Benonmsn

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Not particularly, but the cooling fan uses a ground. And that's what melted, so I'd look at a wiring diagram for the cooling fan, and find the ground.

Oct 17, 2022 | 05:27 PM

PDsVettes

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Maybe this will help.

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Fig. 15 Cooling Fan Circuit.pdf (223.0 KB, 106 views)

Oct 18, 2022 | 11:53 PM

chaldean

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Quote:

Originally Posted by Benonmsn

Not particularly, but the cooling fan uses a ground. And that's what melted, so I'd look at a wiring diagram for the cooling fan, and find the ground.

Great, thank you!

Oct 18, 2022 | 11:53 PM

chaldean

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Quote:

Originally Posted by PDsVettes

Maybe this will help.

Great, thank you!

Jan 27, 2023 | 02:21 PM

chaldean

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Issue was a bad MAF extension. I replaced it, solved the issue. I don't know why it took me taking it to the dealership to find out the issue and why I couldn't pull the codes myself.

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Jan 27, 2023 | 03:06 PM

Turbo6TA

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2021 C6 of the Year Finalist - Modified

When you say 'MAF extension' ... Do you mean the wire harness connector that plugs directly into the MAF sensor on the car's intake tube?

Amazon

Jan 27, 2023 | 05:25 PM

#10

chaldean

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Maf Extension.

Quote:

Originally Posted by Turbo6TA

When you say 'MAF extension' ... Do you mean the wire harness connector that plugs directly into the MAF sensor on the car's intake tube?

https://www.amazon.com/Michigan-Moto.../dp/B0189PY8GO

Yepp the cable busted. Got a replacement from Halltech. Plugged it in, turned the car on, off, and back on. Issue was resolved and I was able to use traction control again. Weird thing was, I couldn’t pull the codes myself. The dealership was able to.

https://www.halltechsystems.com/product-p/h108196.html

Jan 27, 2023 | 07:05 PM

#11

Turbo6TA

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2021 C6 of the Year Finalist - Modified

Jeeeze ... That Halltech piece costs a bunch more than the one being sold on Amazon ...

$59.99 .vs. $17.98

Jan 27, 2023 | 07:13 PM

#12

chaldean

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Quote:

Originally Posted by Turbo6TA

Jeeeze ... That Halltech piece costs a bunch more than the one being sold on Amazon ...

$59.99 .vs. $17.98

Figured I’d replace it with the halltech one since it wasn’t too much more expensive and it lasted awhile. Hope whoever got the car after I sold it, enjoys it.

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