ABS Brake Control Module Replacement
Jun 08, · Replacing Your ABS Pump Find the Control Module Codes and Get the Vehicle Ready. In the first instance you should use a car diagnostic laptop Remove the Battery and All Fluid Lines. Next you’ll need to disconnect the battery to give you more room . Nov 29, · Before You Begin Step 1: Remove ABS Computer Start by disconnecting the battery from the negative cable. Release the electrical Step 2: Match the New Module After the failed unit has been removed, match the old part to the new replacement unit. Step 3: Reinstall the New Module.
This computer module is located on top of the pump motor and is attached by four or five mounting bolts. If the ABS system stays on after the key is turned off which is indicated by a humming noise or you have scanned the system and one of the valve control coils has burned out the unit needs to be replaced.
In some cases the relay is inside the controller. You can opening the unit up and replace the relay though it takes some soldering on the circuit board and finding a replacement relay. If the vehicle is equipped with a traction control system it uses a different ABS computer then non-traction controlled models which are not interchangeable.
On some cars the controller will need to be reprogrammed in which case there will be in the instructions with the replacement unit. Control modules may vary in appearances but follow the same steps.
Pymp the video below to get an idea of what you are in for. Then continue with the guide to gain additional tips and updated information. Start once you have determined you repalce going to fix the problem, park the car on level ground with rwplace transmission in park and the emergency brake set and the engine turned off.
You pujp need to jack the car up to replace a control module and we prefer you learn how to do it correctly while using jack stands. Learn more: How to use a floor jack and stands.
The tools, equipment geplace supplies seen in the article along with additional information using specific repair manuals are available at the end of this guide. Start by disconnecting the battery from the negative cable. Release the electrical connectors from the unit by pushing the safety clips using a small screwdriver.
One connector will be for the main puump and ground for the unit, large wires while the opposite connector will be sensor inputs and data bus wiring to the main PCM computer which controls when the warning light comes on. The weather packing or seal can make it a little difficult to remove the connectors. Wiggle them gently as you pull to remove them from the module. There will probably be four or more Torx head size 208mm or 10mm bolts to remove the controller from the pump motor.
These bolts can be little tough to get to if the module is under the vehicle like this one. This operation is much easier when the controller is under the hood. Make sure the controller is clean and dry. Gently remove the module by lifting it straight up from the valve assembly.
It might be a little stuck because of the weather seal used to keep moisture out. Use a small screwdriver to gently pry and loosen the seal to separate it. After the failed unit has been removed, match the old part to the new replacement unit. They should be an identical match. Be sure to count the number of electrical pins in each connector because there are minor variations according to what options your car has such as traction control.
Next, be sure the pump motor is clean and free from dirt before installing the new module. Install the new unit and ensure it sits flush and seals completely onto the valve assembly. This can take some extra effort because the valve cores need to fit through the module. After the unit is securely in place, reinstall the mounting bolts and tighten in an "X" pattern to how to replace abs pump the unit squarely into the pump and valve.
This will ensure the proper operation of the coils over the valve cores. Once all the mounting bolts are tight make sure the connectors are clean from dirt and grime. Reconnect the electrical connectors back onto the valve assembly.
Reconnect the negative battery cable and start the car. The warning light should go off shortly after the engine is running or after you what is workplace health and safety queensland driven the car for a short time. Be observant when first driving the vehicle after repairing the ABS system.
Listen for abnormal noises or performance issues that could indicate a problem which will need further inspection. No code clearing is required in most cases for American built vehicles. If the warning light remains on after code replcae it means you still have a problem.
If you have any questions about ABS brakes visit our forum. There are various tools and supplies you will need to perform these jobs.
We have created a list for you which are easily obtained if you do not have them already. Learn more: How much does it cost to move mobile home and supplies needed for ABS module repair.
You will also need replacement parts such as the wheel speed sensor, computer module or system fuses. We have created a guide that will inform you as to where to go to get the best deal and quality. Learn more: ABS Computer replacement part purchasing guide.
To see more specific information about your particular vehicle check out our repair manual information guide. Learn more: ABS Computer repair manuals. Anyone can do car repair if he or she puts their mind to it. If you are a parent please show your kids how to do car repair because they will need to know this valuable information as well. Doing the job for yourself, family and friends will give you what to include in a newsletter for a company satisfaction and pride hlw you can only get from doing the job right.
The ABS controller is used uow monitor the wheel rotation speed and can go out as electronics sometimes do. Ask a Car Question. It's Free!
Before You Begin
Mar 03, · The more important issue for me is the fault code 00,01,17 FE No found! 5DF5 internal Fault, control unit. The guys said it was the ABS Pump Module and as such I got my self the right part no 6 , but I got my second hand unit from MiniTech and they have said it is a superseded part they sent me, but will % fit fine.
The ABS pump is responsible for pressurising the ABS system, ensuring that your vehicle is able to decrease and increase speed as needed. It is a vital part of the whole ABS system, which works to remove the possibility of your brakes locking and taking your car into a skid, particularly under emergency braking conditions. What are the signs that your ABS pump could be faulty?
This is one of the more complex tasks in your car, and will generally need a large degree of skill and attention to detail.
Not to be undertaken by the amateur mechanic. Following this procedure, drain the brake reservoir through the bleeding screw and discard all the old fluid, taking care not to spill any fluid in the engine compartment. Then loosen all the lines running into the ABS system alongside any wiring. Be careful as these connectors tend to be inflexible and will need to be pushed gently out of the way. Find the bolts holding the ABS unit in place. Taking care, loosen these one by one and gently slide the ABS unit out of its seating.
There may be other parts in the engine blocking you from removing the ABS unit, such as the brake fluid sensor, so if necessary take these out before removing the unit. Now you should be able to separate the ABS pump from the unit and swap it with the new part quite easily.
This should be a simple job and one that you can complete away from the main body of the vehicle. Reverse the previous steps to install the ABS unit back into the car. Gently slide it into position and replace any other engine components you removed to allow you access to the ABS system. Next up reconnect all the wires and then the pipes to the ABS system and the car should be ready to go mechanically. The final steps are firstly to add fluid to the braking system and then secondly bleed out any air in the system — then make sure that the computer is synced up with the ABS pump using the codes that you acquired from the system in step 1 together with the diagnostic laptop.
When you have finished this job, if there are no warning lights on the dashboard , no leaks from any of the brake pipework and the brake pedal is nice and firm then you can be satisfied that you have successfully changed the pump. It is always advised to road test the vehicle carefully after repairing any braking related item. VAT No. Facebook Twitter.