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Pelican Technical Article:

ABS Control Module Replacement

Steve Vernon

Time:

2 hours2 hrs

Tab:

$1500

Talent:

**

Tools:

11mm flared wrench, T25 Torx

Applicable Models:

VW Golf (2004-06)
VW GTI (2006-09)

Parts Required:

New ABS Control Module

Hot Tip:

Clean the contacts

Performance Gain:

Better braking

Complementary Modification:

Bleed the brakes

Without a doubt, your brakes are the most important systems on the car. There is an ABS control module that reads the information from various sensors on the vehicle and controls brake modulation. If this control module goes bad it can cause all kinds of problems with your braking system. The ABS system will require coding and setting with a scan tool after installation. Also you can not drive the car until you have completely bled the brake system.

The ABS unit for the GTI MkV is tucked up on the firewall on the right side of the engine bay. Components have been removed for photographic purposes but you should be able to access everything. It is a good idea to label and remove the fuel and EVAP lines that are in your way to give you more room.

You will need to remove your engine cover or aftermarket air induction system.
Figure 1

You will need to remove your engine cover or aftermarket air induction system. Please see our article on engine cover or aftermarket air induction system removal for additional assistance.

You will need to remove the charged air pipe.
Figure 2

You will need to remove the charged air pipe. The charged air pipe and hoses run from the induction system and divert air before it reaches the throttle body (red arrow). This charged air runs through a pipe that is secured by an 8mm bolt (blue arrow) and T30 Torx (green arrow) and enters the interior by a quick release fitting (yellow arrow). Please see our article on charged air pipe removal for further assistance.

Try and get as much brake fluid as you can out of the fluid reservoir (red arrow) on top of the master cylinder.
Figure 3

Try and get as much brake fluid as you can out of the fluid reservoir (red arrow) on top of the master cylinder. Clean around the cap and then remove it. Using a fluid pump or turkey baster, get as much of the old fluid out as you can. This helps prevent excessive spilling of brake fluid inside the engine compartment. It's also helpful to stuff a bunch of old rags or paper towels under the master cylinder and ABS unit to absorb any spills.

The ABS unit is hidden behind the engine and lines (red arrow).
Figure 4

The ABS unit is hidden behind the engine and lines (red arrow). I removed a lot of things for photographic purposes but you should be able to reach in and access everything. If you want to move the lines make sure to label and photograph everything well to assist when reinstalling.

The wiring harness for the ABS module is attached to it on the side by the fire wall.
Figure 5

The wiring harness for the ABS module is attached to it on the side by the fire wall. Pull up on the module connector (red arrow). This will separate the connector from the module and allow you to remove it from the unit. Pull the connector (yellow arrow) straight away from the unit.

Clean the top of the ABS unit and use an 11mm flared wrench to remove the two supply lines (red arrows) from the master cylinder.
Figure 6

Clean the top of the ABS unit and use an 11mm flared wrench to remove the two supply lines (red arrows) from the master cylinder. Make sure to cap the lines and unit to keep anything from getting in them.

Use an 11mm flared wrench to remove the four lines (red arrows) coming out from the ABS module.
Figure 7

Use an 11mm flared wrench to remove the four lines (red arrows) coming out from the ABS module. Make sure to cap the lines and unit to keep anything from getting in them. With lines removed lift the unit up and out of the rubber mounts and take it to your work bench

Use a T25 Torx to remove the two screws that hold the hydraulic unit to the module (red arrows).
Figure 8

Use a T25 Torx to remove the two screws that hold the hydraulic unit to the module (red arrows). These screws are single use only and should always be replaced.

You can now separate the hydraulic unit from the control module.
Figure 9

You can now separate the hydraulic unit from the control module. If you are covering the hydraulic unit make sure to cover it with plastic and not cloth or a rag. Fibers from a rag can affect performance of the unit. Installation is the reverse of removal. Make sure to clean up the area under and around the ABS module of any spilt brake fluid before beginning reinstallation.

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Comments and Suggestions:
d6anders Comments: Do you guys know the "updated/revised" ABS w/ EPS module part #? I have a 2009 VW GTI MKV Stickshift with the usual ABS Fault and have read VW sorted out issues with subsequent MKVI generation. Is this the case?

Would 1K0614517AS or 1K0614517BJ be such possibilities without risk of future issues?

September 23, 2015
  Followup from the Pelican Staff:
I’m not the best with part numbers.

Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
am_i_screwed Comments: what is the mechanic didn't write the original coding info, installed the module and now can't code the second hand remanufactured module?
April 17, 2015
  Followup from the Pelican Staff: You will need to contact VW and program via pass-thru or have them supply the coding to you. You will have to supply the VIN. - Nick at Pelican Parts  
mara Comments: Oh sory, i'm using the MK5 Golf gti.
March 31, 2015
  Followup from the Pelican Staff: My original response holds true. - Nick at Pelican Parts  
mara Comments: can we used a secondhand module and pump? i saw lot of seller sell the used pump and module on ebay, curios its can be used or not.Tq if you can make this clearly.
March 30, 2015
  Followup from the Pelican Staff: What vehicle? You may be able to to. You will need to record your coding and transfer it over to the new-used parts. - Nick at Pelican Parts  
hadydaddy Comments: thanks. the auto scan needs to be done prior to installation of the new module, is that correct?
February 10, 2015
  Followup from the Pelican Staff: Correct. Doing so will allow you to record a record of all the module info for your vehicle. - Nick at Pelican Parts  
fadderbrian Comments: How do you perform the module coding?
February 9, 2015
  Followup from the Pelican Staff: You will need an Audi scan tool. You have to perform a full vehicle scan, then record the coding. Then enter the coding into the new module. - Nick at Pelican Parts  
hadydaddy Comments: how can we know the correct coding is applied
February 9, 2015
  Followup from the Pelican Staff: You will have to use Audi repair information to access the coding info and compare it to the equipment on your vehicle.

You will need an Audi scan tool. You have to perform a full vehicle scan, then record the coding. Then enter the coding into the new module. - Nick at Pelican Parts
 
hadydaddy Comments: after installation does it require coding?
February 8, 2015
  Followup from the Pelican Staff: Yes. The module coding will have to be performed. - Nick at Pelican Parts  

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