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C4 - DS4 Owners :: Forums :: C4 2011 (B7) DS4 and DS4 CROSSBACK :: Problems and issues

Check Main Beam

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Author Post
gb85   
Mon Jun 29 2020, 04:53pm
Member No: #39443
Joined: Feb 24 2015
Location: stoke on trent
Hi All

We have just bought a second hand 12 plate c4 and the main beams don't work and there is an error on the dash that reads "check main beam".

I replaced the bulbs to rule that out and still the same.
I checked the fuses and they're both fine.
i checked the power to the bulbs and got a reading of 6.5v on the passenger side and 8.5v on the drivers side.
I also connected an odb reader and got no faults.

I've tried to search the forum but can't find anything so I just wondered if anybody had any ideas or if anybody had experienced this before with a, hopefully, simple fix.

Thanks in advance.
 

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