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Intermittent adaptive headlights fault

thefallguy
thefallguy
in Ford S-Max Club

Featured Replies

Hi,

As per title, my car as developed an adaptive headlights fault. It can happen as soon as I turn the car on or it can be fine for an hour drive. But when it happens, I get a nice dashboard warning and it locks the headlights front (no more turning as you turn.

Turning the ignition off for a bit clears it but again only for a bit.

I wouldn't mind but it also disabled the high beam which I believe makes it an MOT failure. Thank you Ford for that bit of anti-consumer.

I've reset the HCM multiple times. No fix

I thought it might be a battery issue as the start/stop wouldn't work either (battery would never get above 68% charge).

Replaced and reset BCM. Start stop works now but the intermittent headlight remains.

I've had to a local garage (I am NOT paying ford Diag fees 😁). They can't find anything wrong. Putting the headlights in test mode has they moving fine and smooth so it's not the motor/servos.

I was going to start looking for another headlight unit but before I do, I thought I'd see if anyone has any ideas? Is it worth just changing the control board rather than the whole unit? Is it actually worth having ford take a look for £160 diag fee?

  • Quote


    tried forscan? i bet its one of the level sensors on the front wishbone or rear wishbone

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