Where can the fault be?

goldenii68

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Help!!

My bulb failure indicator lamp came on last night, I have checked all the bulbs and all seem to be working ok, it also came on today when I had no lights on, all 3 brake lights appear to be working, the light doesn't come when I start the car, it comes on only when I'm driving so 'where can the fault be ?':dk:
 

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Wait until the warning appears again and check all bulbs. Remember the rear sidelights have two per side.
 
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goldenii68

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Will do, if its not the rear sidelights, where next to check?
 

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Check the correct wattage of all the bulbs. It will probably be the rear bulbs though.
 
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goldenii68

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I forgot to say I've got led sidelights and numberplate lights, both sets appear to be working ok, they are the error free canbus ones, you dont think however ......?
 
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goldenii68

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Even if they are working and had them for about 5-6 months ( and made sure they were the canbus error free ones) and they were off when the light came on today .........?
 
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goldenii68

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Oi, this is serious, it weeks to sort out my ESP/BAS light and open walet surgery to boot, I have precious little hair to pull as it is, I can't bear any warning lights coming up:eek: (its not a dig just lighthearted banter:D)
 
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goldenii68

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Me too, nothing more annoying than a niggle in your pride and joy you can't sort quickly! :wallbash:
 

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Bulb does not have to have blown. The system will pick up a bulb in imminent danger of failing. I think it measures change in resistance. One is probably about to go - usually a rear sidelight or brake light.
 
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goldenii68

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Wow! In my c200 when that light came up, it was normally a brake light one that had failed, best get some of both types soon :thumb:
 

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