on December 17, 2019, 9:47 pm, in reply to "Smart Four Two 2007 - Gearbox issues / Non Start #"
I had something similar a few years ago with a smart where sometimes the car would die then not restart and the 3 bars would flash in the cluster. Annoyingly intermittant and every man and his dog had looked at the car to no avail.
I used it for about a week and it seemed to do it most over bumps/round sharp bends, die as above, then restart 5 mins later.
I found if I wiggled the connector to the SAM control unit (under passenger dash) it would start.
So I opened up the SAM unit (you have to bend the 3 circuit boards apart!)and looked at the board with a magnifying glass. Turns out all the pins where the connector plugged into had dry soldered joints! resoldered all the pins (tricky if I remember) and it never happened again!
One VERY happy chappie as he was about to scrap it!
Hope this works for you!
All the best
Colin
Message Thread Smart Four Two 2007 - Gearbox issues / Non Start # - John Hall December 2, 2019, 2:43 pm
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