ABS fault suddenly appeared on the XM yesterday (as they do I suppose). I know everything was working earlier this week as I had it on the Lexia. It did say that all the wheels were doing 1kph which, while odd I could probably live with as being a quirk.
Got the Lexia out again this evening to find the NS wheel doing around 96kph and the OS about 53kph. I cleared the faults and disconnected the sensors to both front wheels, then fired up the Lexia again. The same thing.
In my head, this points to the ABS ECU. What conclusions would you draw to this?
Teves ABS issue on XM 906kph while stationary...
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Teves ABS issue on XM 906kph while stationary...
Kev
'19 C4 Cactus 130 Flair
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I've seen tis on Teves systems a lot Kev and it normally points to a duff sensor..
Disconnect them and carefully measure their resistance. Likely you'll find the 96km/h one reading high...
Are the ABS rings and ends of the sensors nice and clean? A bit of metallic muck on the end of the sensor can cause this...
Disconnect them and carefully measure their resistance. Likely you'll find the 96km/h one reading high...
Are the ABS rings and ends of the sensors nice and clean? A bit of metallic muck on the end of the sensor can cause this...
Jim
Runner, cyclist, time triallist, duathlete, Citroen AX fan and the CCC Citroenian 'From A to Z' Columnist...
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I see where you're coming from and I will check the resistance just to rule it out fully, but it still happens with the sensors themselves are physically disconnected in behind the wheel arch cover.
Unless, when the ABS system stops working, it freezes the parameter values which are displayed on the Lexia?
Unless, when the ABS system stops working, it freezes the parameter values which are displayed on the Lexia?
Kev
'19 C4 Cactus 130 Flair
'19 C4 Cactus 130 Flair