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Forums › The Car › 206 Problems › 206 2.0L HDI GLX 2003 ABS fault light on, help please!


206 2.0L HDI GLX 2003 ABS fault light on, help please!
Forum Index206 Problems
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PostPosted: Tue Oct 20, 2020 3:15 pm Up
New in Town


Joined: Oct 08, 2020
Posts: 1
Trade Rating: 0

I have owned my 206 2.0L HDI GLX 2003 from new and have never had a problem until now, not bad for 17.5 years! The car has done 79,000 miles.

Unfortunately I have the ABS warning light on all the time has been intermittent for the last year. Two weeks ago I took the wheels off cleaned them and put them back on, after doing this I started the car and the car bleeped and seemed to reset itself with the clock time needing to be put right as if the battery had been disconnected and the ABS light went out!
It stayed good for one week then came back on again. For the last 6 years i have done all the servicing myself changed the brake fluid 6 years ago and will be replacing all the brakes and fluid very soon as well as the timing belt and auxiliary belt.

I have PP2000 and indicates the fault to be the MK70 pump.
before I buy a replacement MK70 Ate controller I would like to check the wiring for any faults, the MK70 socket and relays etc.
I have checked wheel rotation with PP2000 to see if the sensors are working and they all show speed so that looks ok but haven't driven the car looking at the results as my old pc batteries are no good any more.

PP2000 has a wiring diagram tool but i need a username and pw for that to work I want to know the supply voltages at the ABS socket and other places. Any chance someone who has had it working for them tell me a username and pw please?

In the pic below does anyone know what this electrical box does please? cant find answer anywhere.
Also see my findings with pp2000. There all in order with the test titles then the results as I click on them.
Why does it indicate a voltage of 20.3v for the controller supply?

Anyone technical out there what is the best way to tackle this? Peugeot parts say a new mk70 controller will cost £750 just for the part! If i do get a second hand one will a Citroën mk70 work?














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PostPosted: Tue Oct 20, 2020 6:51 pm Up
Custom - Black Stars


Joined: Nov 27, 2010
Posts: 11479
Trade Rating: +10
Location: What's it to you? ? ?

Teves mk70 ABS unit pump failure is a very common 206 & 207 issue.

If the car is a keeper then a service / exchange ABS unit is the way forward.

Easiest to swop out with the passenger headlamp removed.

Pressure bleed the brakes at the ABS hydraulic modulator - take it for a test drive & activate the ABS.

This time rebleed the brakes at each wheel.

FWIW- BBA reman supplied mine when I used to be a 206 owner.

2016 Peugeot 308 Puretech 1.2 petrol 130bhp Allure hatch with panoramic roof & NAC retrofit.
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