front parking lights gone!??

CHAV07 · Post by **CHAV07** » 07 Feb 2013, 07:09

Hi all.

I had some spare T10 canbus LED bulbs lying around in the house so I decided to change my wife's 2009 xc90 front paking lights to leds(all 4 of them) and it was ok right after install. After a couple of days as she as sbe was leaving the house, I noticed that the leds were flickering so i decided to swap them over to the original bulbs but now, all the front parking lights is not working. Checked the fuse jn the engine bay but is seems to be fine? Really puzzled as there is no warning ( i dont know if the car has check bulb function) of any blown bulb on the dash. Please help.

Cheers..

Post by **jimmy57** » 07 Feb 2013, 08:05

The CEM will shut down the circuits when faults are detected. Sometimes they will reset after ignition has been off and network "sleeps" and sometimes you have to get the codes cleared.

CHAV07 · Post by **CHAV07** » 07 Feb 2013, 08:56

Thanks for the info. Will disconnecting the battery for a few minutes do this?

Post by **regent** » 07 Feb 2013, 11:12

It should (if the codes were only due to detection of low bulb current that made the system 'think' there was a problem). Pump the brake pedal while the battery is off to help dicharge all caps.

CHAV07 · Post by **CHAV07** » 07 Feb 2013, 13:39

Cheers mate. I'll do that once she gets home