All 12v lead acid batterys _can_ fail in a "short circuit" mode. But its the least frequent type of failure. And can result in an alternator meltdown due to abnormal high continous output. Not sure how the DC-DC converter will fair under similar conditions. I believe it has a thermal limit sensor that will set a code and "save" it from meltdown. So yes its "possible".The Citrus Smoothie said:<snip>
Secondly I also recall a phone call from the chap to whom I had sold my Citrus Insight, claiming the 12V battery I had installed (recommended by a large motor shop chain) was 'short circuiting' the car (presumably dealer diagnosis).
Is it possible a wrong type of 12V battery could affect normal operation of the IMA electrics?