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I got a 2003 Kodiak 4500 and the abs light is on and the ip

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brake light is on. I...
I got a 2003 Kodiak 4500 and the abs light is on and the ip brake light is on. I hook up my scan tool but I cant communicate with abs.
Submitted: 2 months ago.Category: GMC
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Answered in 5 minutes by:
9/19/2017
GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago
roybelding
roybelding, Master Tech/Trainer
Category: GMC
Satisfied Customers: 6,337
Experience: 35 years of retail operations on all vehicles
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hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.

Roy

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GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago

ok

the first thing I would do is to verify the fuse for the abs module has power. there is only 1 fuse for power.

what kind of scan tool are you using??

Roy

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Customer reply replied 2 months ago
I'm using a snap on solus and I checked all abs fuse and they all have power
GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago

ok, thanks.

in most cases when you cannot communicate with the module, the module itself is the issue. verify the connector to the module is tight, clean and there are no damaged pins. if all is ok, replace the module

Roy

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Customer reply replied 2 months ago
ok were is the module located?
GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago

it states 3 possible locations.

by the master cylinder

on the front frame left side.

under the truck left frame rail.

it will be attached to a hydraulic unit as well. you can just replace the electrical portion. make sure you match the numbers exactly. there are also many numbers listed for all the options. when you get into the heavier trucks there are many options available.

Roy

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GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago

Please take a moment and rate my service 5 stars so the site will pay me for my efforts. We only get paid when you accept our answers

Roy

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Customer reply replied 2 months ago
whats the power and grounds to the connector are the module I want to test them first
GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago

let me see if I can get a connector view

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Customer reply replied 2 months ago
I need to have the connector view of the abs module so I can check for power and ground
GMC Mechanic: roybelding, Master Tech/Trainer replied 2 months ago

the diagrams I sent you have connector by letter and pin number. look at the color of the wires. I tried but dont see just the connector.

Roy

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roybelding
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