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1.6 Tdci Tuning - Ecu Dead- Faulty Fuel Injector Driver Within The Pcm


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I have recently taken my 2014 1.6 tdci to a tuner, they asked me to re-connect the battery after putting the ecu back in, after mapping.

The car starts but runs very rough for a couple seconds and cuts out.

Fault codes show - Faulty fuel injector driver within the PCM

Could this be caused by connecting the battery incorrectly earth lead, i.e sparking to chassis when reconnecting it etc. If not, what could have caused it

A new ecu has been ordered.

Thanks in advance

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I would rather not name the tuner. I re-fitted the ecu after flashin. I just want to make sure I couldn't of done it, connecting the battery back up, which was implied. We were both under the bonnet when it was being re-fitted.

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We checked the pins, all were OK. It was injector driver circuit failure, If I remember rightly. I saw it on their laptop, so didn't take note. P0200 or p1200 I think. Injector driver circuit failure on pcm.

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