Injectors maybe? http://typeaccord.co.uk/forum/topic/23610-big-help-needed/?hl=injectors#entry245679 Not saying it is or isn't that - I just noticed the same fault code.
Could be time for a garage diagnosis if you don't know what it is.
Sounds good as you describe it.
When I raise my car from the front the two front wheels drop down as the compliance bushes flex - what happens with these, does the bush support the weight and stop the suspension units dropping?
It'll be interesting to see how you get on with these. I've seen pictures of them looking a bit smashed up after a few months use. Sounds like yours have a bit more flexibility built in though.
No because that might imply fault on Honda's part. The cause is always inadequate owner maintenance and/or not using OEM parts and/or not going to Holdcroft Honda. As an engineer you should know that !
When I had this squeak once it was corrosion on the outer circumference of the brake discs - I chiselled/scraped it off with a screwdriver and the noise went - so possibly your brakes just need a bit of a clean-up.
Yeah that'll work - hook one foot round the A-pillar, spreadeagle over the bonnet, lift it up a bit from above, stick your head in, and have a good listen while you're on the M25.