Hi to all members,Car is audi q5 2015 CNHA engine 200.000kms and came with adblue fault 850k..remaining on cluster
and p204f00 reductant system performance fault on ecu..Ecu is 04l906021CK with software version 8507..Car came 2000km before with same fault and what we did was top up the adblue,software update,clean the injector- and the hole,check that it squirts adblue.Then did regeneration on road, scr tank level detection reset and reset scr lock.After driving aroud 300kms...cluster was at 500before engine will not start,it reset itself and went fine...Now it is back with same fault,so we have to take it from start again...Do have vcds and odis...Has anyone solved that fault and which parts usually fail?..I would like to make this post as solved with your help as well as i have heard and read it seems like common fault...
and p204f00 reductant system performance fault on ecu..Ecu is 04l906021CK with software version 8507..Car came 2000km before with same fault and what we did was top up the adblue,software update,clean the injector- and the hole,check that it squirts adblue.Then did regeneration on road, scr tank level detection reset and reset scr lock.After driving aroud 300kms...cluster was at 500before engine will not start,it reset itself and went fine...Now it is back with same fault,so we have to take it from start again...Do have vcds and odis...Has anyone solved that fault and which parts usually fail?..I would like to make this post as solved with your help as well as i have heard and read it seems like common fault...