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[albitz]

Agreed,but worth checking the other possibilities first though.

[05omegav6]

Thing is for the Speedo output, the ABS ECU takes an average from all four wheels, so as long as at least one sensor is working then the Speedo should work normally. Any numberof possibilities would put the light on, only one will upset the Speedo

[TheBoy]

If its post 1998 (ie, MFL or FL), my first bet would be ECU.

Note, the ECU failure (when still intemittent) can leave speedo and MID working fine.

Worth plugging into Tech2 if you have one, and looking at speed signals, but as my dear old father used to mutter, something about urinating into headlong force 9.

[BlueBridge]

Thanks for all the replies  paper clip test no good for this?

[Andy B]

.......... paper clip test no good for this?

No. It just does engine codes. 

[BlueBridge]

Thanks Andy

[jb]

in my experience 99% likely a failing abs ecu - can be refurbed by bba reman

[omega squared]

in my experience 99% likely a failing abs ecu - can be refurbed by bba reman

Has anyone used BBA reman for an ABS ECU repair?
my one needs done have used them before for a clocks repair on a TT and they were good, not tried them for this.
Also am I sending the ABS block plus the ecu for repair or just the ecu?

[RobG]

BBA are pretty good. Just the ECU to send for repair

[henryd]

in my experience 99% likely a failing abs ecu - can be refurbed by bba reman

Has anyone used BBA reman for an ABS ECU repair?
my one needs done have used them before for a clocks repair on a TT and they were good, not tried them for this.
Also am I sending the ABS block plus the ecu for repair or just the ecu?

Just the ecu needs sending,BBA or ECUtesting.com fix them

[omega squared]

thanks for the replies