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Focus St Fault Help

Fault Abs Eml Help St Focus Codes

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#1 Bennylad91



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  • Name: Ben
  • Ford Model: Fiesta st180
  • Year: 2013
  • Location: Derbyshire

Posted 11 October 2013 - 08:07 AM

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

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#2 jeebowhite


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  • Name: James
  • Ford Model: Sea Grey Mondeo MKIV 1.8TDCi 140ps Zetec
  • Year: 2007
  • Location: Kent

Posted 11 October 2013 - 09:28 AM

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!

#3 Bennylad91



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  • Name: Ben
  • Ford Model: Fiesta st180
  • Year: 2013
  • Location: Derbyshire

Posted 12 October 2013 - 04:35 PM

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.

#4 jamesm182



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  • Name: James
  • Year: 2008
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Posted 12 October 2013 - 05:19 PM

Glad you seem to have sorted it mate  :D

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