Is this still the only permanent code?

>>> P2101 Motorised Throttle Coherence <<<

If so the word Coherence points me towards the feedback from the unit not being correct? whats live data telling you?

What are the powers and earths like?

Maybe your customer is very understanding but;

>>>We managed to service and mot it in between the problems! <<<

What happens to the bill to date if he scraps it when you tell him its needs an XYZ at £££££ ?

Mark