parking brake fault xj 20072.7

[covbaz]

hi, anyone ever had this problem, my parking brake is stuck on, the car was washed 1 week ago , but not been on rd for 3 weeks because of lockdown

[Old Peter]

Hi Barry, and welcome to the club.

The sort answer is Yes.

Have you put your battery on charge while you car is off the road?  If not the battery has not got enough power.

The solution is quite simple, but a bit of a pain.

First you must have your radio code handy as you will need it.

Then you have to disconnect your battery - just the negative terminal - and then wait for about a minute or two and then reconnect the battery.

Start the engine.

The alarm will go off and you should press the button on your key fob.

The message should say Press Footbrake and handbrake  at the same time and then release both.

If the warning light goes off half the job is done. Let the engine idle.

Switch on the radio and put the code in.

You then will have to reset the clock, and then the volume.

You will have to reset each windows.  Just bring each window down wait two seconds [you will hear a quiet click] and then bring the window back up when the click comes you have got it done.  Each window gets the same treatment.

You should then charge your battery and do so every week when we are in lockdown.

Let me know how you get on.

Regards,

Peter.

 

[Gray TInley]

Hi, I have the same problem with my 2007 XJ8 Park Brake will not disengage 

[XJDave]

I just had this problem on my 2007 XJ. I had been away for a while and when I got back the engine turned over and started fine. However the error "cannot apply park brake" was showing. I also had a check engine warning.

The battery was old so I purchased and installed a new one before getting to diagnose the problems. 

I started the car and the brake error message had changed to "press foot brake and engage parking brake" . When I did that the problem resolved. Also the check engine light was no longer showing. Seems to me from this experience that the cars electronics are very sensitive to the battery voltage. Maybe I should replace the battery more often.

[N6 JMX]

Hi David, advice on battery replacement is 5 years and it has to be suspect, despite what a battery test might say. A good catch as most folks ignore the advice and end up with dashboard lighting up light Blackpool in September.

N6 JMX