P38A Range P38 ABS/traction control problem

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bigjay1000

New Member
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Hi all, hoping for some advice please:
The P38 (v plate, 4.6 petrol) has thrown up the dreaded ABS failure message - both lights stay on and the message is traction failure.
I've had the codes read and it comes up with a failure on the front offside ABS sensor, but that one has been tested and works fine.
I'm suspecting the ABS pump, but thats a chunk of cash to spend to find that it's actually something else . . .
Somebody here must have experience of similar problems - help!
Cheers
John H
 
Next thing to do is check the adjustment of the brake light switch as that can affect the ABS and Traction control light
 
I wouldnt be surprised if it was ECU failure but need to check with a new genuine sensor first, I found aftermarket didnt work properly. What is the exact code? It wont just report that its a certain sensor, it will report what is actually wrong (short to another being a favorite) or high/low resistance etc.
 
ovalandrover said:
Next thing to do is check the adjustment of the brake light switch as that can affect the ABS and Traction control light
Click to expand...

I have that problem! After doing some work on the master cylinder I found when pedal released the brake lights stay on - the switch isn't getting pressed. Can't for the life of me find any way to adjust it and I don't think there's any play in the master cylinder on the other side (ie that affects pedal travel) so in the end I extended the switch with a bit of plastic and electric tape.

So whats a better way?

bigjay1000 - Hope you don't mind me piggybacking on your thread? Saves starting a new one. Cheers!
 
rasheed said:
I have that problem! After doing some work on the master cylinder I found when pedal released the brake lights stay on - the switch isn't getting pressed. Can't for the life of me find any way to adjust it and I don't think there's any play in the master cylinder on the other side (ie that affects pedal travel) so in the end I extended the switch with a bit of plastic and electric tape.

So whats a better way?

bigjay1000 - Hope you don't mind me piggybacking on your thread? Saves starting a new one. Cheers!
Click to expand...

Remove switch. Pull plunger out of switch. Push pedal down. Fit switch let pedal up.
 
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