Bennylad91 Posted October 11, 2013 Share Posted October 11, 2013 Hi I have a focus st 2006 with engine management light on and abs traction control light on, I have fault codes u2023-eo-abs coms fault, P0076-e2-PCM intake valve control circuit low bank 1 P0079-e2- PCM exhaust valve control circuit low bank 1 P0102-e2 PCM maf sensor circuit low input P0245-e2 PCM turbo/supercharger waste gate solenoid A low P0458-e2 PCM EVAP system purge control vale circuit low P0646-62 PCM air-con clutch relay control circuit low B2477-60- EATC module config failure B2609-30 HCM ecu output to left headlamp stepper motor circuit failure B2612-30 HCM ecu output to right headlamp stepper motor circuit failure B2619-70 HCM rear axle vehicle level sensor signal circuit failure These codes where taken from the IDS diag machine and I am fairly clued up as I have a technician status level motor vehicle cert but this is beyond me :/ I think it's the PCM at fault :S any ideas of the fault would be much appreciated Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted October 11, 2013 Share Posted October 11, 2013 Ouch, a lot there, so I would say that the issue does certainly seem to be PCM related, otherwise, I would be considering a wiring issue, perhaps a faulty harness... but as its cheaper to get a PCM from a scrappy, or sometimes even direct from Ford than a replacement harness, it might be worth thinking about! Quote Link to comment Share on other sites More sharing options...
Bennylad91 Posted October 12, 2013 Author Share Posted October 12, 2013 Just a quick update I went through a pile of wiring diagrams and found one with intake, exhaust, maf and turbo sensors and began testing that circuit, eventually found a fault with the oil heat sensor thing in the oil filter housing. Replaced the housing as a whole unit and the faults have cleared apart from headlight faults and instrument fault but I'm not bothered about that. Quote Link to comment Share on other sites More sharing options...
jamesm182 Posted October 12, 2013 Share Posted October 12, 2013 Glad you seem to have sorted it mate :D Quote Link to comment Share on other sites More sharing options...
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