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i30 N AEB, Traction Control - Multiple Lights on Dash

southGeo

Member
Nthusiast
May 9, 2018
70
56
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Wimborne
Wasnt sure exactly which section to post this in!

For the last few weeks, I've had constant lights flashing on the dash -I've had these being related to AEB, Limited slip diff, traction control. I've since replaced my front tyres and asked the garage to have a quick look at the error codes - they were stumped, but gave me a printout that contained the following codes:

Under ABS/ESP:
C1869:08 - please refer to manual
C2402:01 - Motor electrical fault

Under MFC:
C1642:02 - CAN Message Failure - brake (historical)

ELSD:
U0122:87 - Lost communication with vehicle dynamic control (VDC) module

Anyone seen something similar? The warnings for a while would only come on once the car was moving, but would always come on after a few seconds of driving. These have now progressed to constant from ignition switch on - although I have had TWO random trips where it's not come on at all (and the AEB even worked).
 
Did you ever figure this out ? Was it a wheel speed sensor I have the same faults but also a wheel speed sensor fault
 
Wheel speed sensor is best, and cheapest, suspect part. It's a common link to all errors listed. Is this recent, did you run over something or have service in this area (tires/wheels/brakes)? A disconnected or loose electrical plug is possible as is rodent damage.