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Thread: Parking brake module renew advise

  1. #1
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    Parking brake module renew advise

    Hi
    I own a jaguar xf 2010. Last year around September time, i got the following messages on the dash: park brake fault, gearbox fault, dsc not available. I just ignored the messages as it was running perfectly. However before the lockdown the car stopped working as the battery was dead so took it to the jaguar dealership they added a new battery and said it needed an alternator costing a total £1300. They fitted the alternator and the car was running
    and was driving back home when i heard a beeping noise and a new message popped up saying apply park and foot break so took it back dealership and they said "you will need a parking brake module costing £2000". I was not going to spend extra money on the car so i brought it back and took it to a local garage and they said "you need a new alternator" we told them we just replaced the alternator and then the said "you need to take it back to the dealership and get them to reset the power or something." So called the dealership and told them and they said we will look at it but wedon't think that is the issue. So what do i do pay 2000 and fix the module or will it be just a reset procedure? Taking into account i did try to reset the brakes myself but it did not happen.
    The module i saw on ebay takes £110.

  2. #2
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    The initial faults you had are often seen with a low battery, so replacing the battery and the alternator is reasonable, providing they tested them before replacing. Not sure on the cost but I have heard alternator replacement is a time consuming job. When the battery has been off the parking brake and windows need to be reset and the message appears on the car display telling you what to do with the brakes. This should have appeared as soon as they connected the new battery and the ignition was turned on. Windows just need the button holding down for a few seconds when fully open and fully closed to reset.
    The local garage may be talking about the battery monitoring system needing to be reset (BMS). This tells the car that a new battery has been fitted but isn't absolutely necessary to do as the car will reset this itself after a short while.
    How did they establish the parking brake module was faulty? Did they read the codes for the car?
    I think I would disconnect the battery for a few minutes and then when reconnected try resetting the parking brake again and see what happens. There is nothing complicated in the reset procedure, just press the pedal when told to do so by the vehicle.

    Just read your post again, the original messages you ignored may have been real errors as the parking brake fault could have been there before the garage replaced the battery and alternator. Never a good idea to ignore error messages even if the car seems to drive OK - especially DSC.

    Was it the parking brake motor they were suggesting you replace or a module? The motor involves a lot more work by the look of it and may be the reason for a difference in price between that and a module. Still a lot of money and can probably be done for less by an independent garage.

    Have you established if the parking brake is actually operating?
    Last edited by AntF; 23-05-20 at 12:16.

  3. #3
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    Hi,
    The dealership replaced the battery and the alternator. The signs are still there.The dealership said that it will need a parking brake module. When we got the car the windows were working fine but had a new message: "apply foot and park brake". I did reset the battery and followed the instructions but the message was still there. When the parking brake is applied a message comes up "cannot apply park brake", but the car is on a slope and it has not moved. Yes the code stated was P1571-64 and they gave me a part code c2d4199.

    Shall i try to reset the car or repair the parking module?

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    The part they suggest may need replacing but it is a lot of money if they are wrong if they want £2000. There is a brake pedal switch that could possibly cause the problem that is relatively cheap to change and may be worth trying. There can also be issues with wiring or corrosion of connectors that can cause problems so may be worth investigating. Some garages are keen to spend your money on new parts but may not actually be fixing the issue.
    Have a look at this...
    https://www.jaginfo.org/threads/gear...e-fault.73442/

    Can you check the part no as it doesn't seem to show any results.
    EDIT: Looks like C2D41993 could be the part number and is around £250 new - not sure how easy to fit though but if they want 2k it is a lot of time even at Jag dealer rates. I can't understand how the Jag dealer who changed the battery and alternator didn't see the codes when they had the vehicle if the fault was already there.

    It could be the part they suggest, or it could be wiring associated with it or it could be something else like the brake pedal switch, as others have found. Maybe a good auto electrician or indi could investigate for less money.
    Last edited by AntF; 23-05-20 at 13:58. Reason: additional info

  5. #5
    Senior Member idrobbo's Avatar
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    As AntF says I think it just needs the reset doing again. I would recommend taking the vehicle to an Independent and ask for an assessment of the work done so far, and what is needed. If you let us know where you are located we may be able to recommend. Dealer rates are extortionate, bet they have a nice new showroom.
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    Antf yes that is the correct part no. Could you send me the link to the page where you found the part price as on ebay i found it for £110 but it is the last one left. Antf i think due to the covid 19 they may want some extra cash. Idrobbo i live in Bradford. How trustworthy is an independent dealer and how much do they charge for an assessment (is it a diagnostic procedure).

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    Hi, the part was from Jaguar but you may find a second hand one at a breaker. It depends on how much it is to fit - no point in saving a few quid on a second hand part if it costs a fortune to fit as if it fails you will be paying again. At least a new part has a guarantee. It may not need replacing so worth looking at getting a firm diagnosis before replacing parts that might be OK. The assessment would I imagine be reading the codes but a good garage should also investigate if anything else could cause the error code to appear. A good independent is as trustworthy as any other garage but you are not paying for the glass and stainless steel showroom with comfy chairs. There are good Jaguar specialists who someone may be able to recommend around you.

    Just seen the part you were looking at - it does say from 2013 but is the same part no as you have. Only issue is with fitting cost if it fails, as I noted above.

    Did you mean the Jag dealer would want more money due to the pandemic? I doubt they would try to profit from the situation having just taken £1300 from you. Try another Jag dealer and see what they say it would cost to fit.

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    Or try the procedure in this thread - it is for an XJ but I think it is the same on the XF - won't cost you anything to try...
    https://www.jaguarforums.com/forum/x...-fault-139538/

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    Antf i tried that procedure when i retrieved the car. However i then realised the car is already showing apply foot and park brake which means the brakes need resetting. I was suprised the dealership did not tell me that and just keep on telling me i need to replace the parking module. So i have lost trust in the dealership.

  10. #10
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    They should have done this as part of installing the battery - maybe they did but it wouldn't reset? But handing the car back with a non-functioning handbrake is pretty poor if they did.
    Are your brake lights working? If not this could point to the brake light switch, as alluded to earlier. This seems to do more than just put on the brake lights though.
    You could disconnect the battery for 5 mins and then try the reset procedure again.
    Is the new battery holding charge OK/starting the car OK - even new batteries can be faulty. Why did the second garage suggest a new alternator when it had just been changed - did they find a problem?
    If you do a search for your error codes it seems to often be caused by wiring/corrosion/battery so no easy way to tell without further investigation but I would be reluctant to pay Jaguar dealer 2k.

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