Overheaer56 Posted December 31, 2021 Share Posted December 31, 2021 Can any one help have a 2007 focus est 1.8 duatorq face-lift model fitted anew engine out of a 2005 focus kept the ecu and all wiring off the 2007 car all fitted and ran sweet a couple of days later wouldn't start engine malfunction put the elm on it with forscan big list of faults p1622 imbolizer codes don't match cluch pedal brake pedal p1936 p1936 u0140 lost comnication with body modual u0155 lost communication with ipc cleared all codes then ran fine for a day or 2 the back to no start or starting no clocks and would not rev at all the code again immobiliser I'd doesn't match have changed the coil round the key still does the same leav it a while and it goes again battery is fine and charging also had u2023 today vehicle communication network fault would any one have any suggestions thanks Quote Link to comment Share on other sites More sharing options...
mjt Posted January 1, 2022 Share Posted January 1, 2022 Sounds like the common instrument cluster solder joint problem. Quote Link to comment Share on other sites More sharing options...
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