Puzzled!! Message fault!!

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v8p38

Active Member
Posts
136
Location
Merseyside
Hi Guys really puzzled here!

I had a 'Traction Failure' error message on my P38 (02 plate)
so had it checked out and the diagnostic system came up with brake switch failure as well.
Tried to clear the fault but Traction would not clear because of the other message.
Bought new brake switch and fitted it, took car back to garage to get codes cleared but the brake switch failure is still there and will not clear :confused::confused:

Any ideas why this won't clear as I'm still getting the traction failure message.
One thing I thought is....... My battery !!! after having the igniton on for a while (20mins) doing the diagnostics , I had to jump start the car. Do you think the battery may be a cause for the error message and not being able to clear fault codes???
 
In a word.....Yes!

Low/flat battery will potentially cause all sorts to go belly-up. Run it a good while or use a trickle charger to get battery to a good level!

If message not cleared, try driving it 4-5 miles, that can clear it too.
 
Thanks guys,
had battery on charge for 3 hrs and it seems to have cleared the traction fault now.
Going for a new battery tomorrow :)
 
Thanks guys,
had battery on charge for 3 hrs and it seems to have cleared the traction fault now.
Going for a new battery tomorrow :)
Get the biggest amp hour/cranking amps battery you can fit in the space. The diesel one is the best option. As you have just found, battery voltage is critical on the P38.
 
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