P38 ABS/Traction problem

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Biastai

Active Member
Posts
126
Location
North East England
Hi all,


After a month of trolling the internet to try and sort this, I think I need to get some specific advice.

I have a problem with a 2002 P38 4.6. I had a faulty NSF wheel bearing and it finally went bad and I replaced it with a second hand one from a breakers. This got rid of the rumble, but destroyed the ABS sensor, which I replaced. Read the data from it so know new sensor is working.

Since replacing bearing I have had the ABS and TC lights on permanent. I have reset the error on ABS ECU, but it clears but remains when I recheck. Brakes work fine! However I have no ABS or TC!

The error is about the engine speed signal, which I surmise is fed to ABS ECU. When I check for engine speed signal it flickers between 12v and 0v. I think this is a signal from the Camshaft sensor, but not certain. Checking this there is a dodgy connection on the plug. Going to be a bitch to repair as it is car side not sensor.


I have replaced the foot pedal switch and the crankshaft sensor. When I empty the pressure from the accumulator the pump comes on for about 20 secs to recharge it.

Today I tried a replacement ABS ECU and the fault is still there!

I have my MOT in Feb and still have the winter to get though. I would appreciate any advice on diagnosing this if anyone has any insight? :confused:


Using an icarsoft i930 to diagnose by the way

Cheers.

B
 
Last edited:
Just been on that thread Data and ordered a halfshaft, I think that will be the issue, but will report back when the one I just ordered is fitted. :)

Quavey, I think I know who you mean is that the guy in the old petrol station? He did a gearbox on the Disco for us. I go past him regularly if that's who you mean. I think now the halfshaft is the issue though.
 
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