poxxxy
Active member
Hi everyone... so i've been trying to tune my dads caddy for a while... his original ECU died which was an 038906018FK for the ALH engine. I sourced an 038906018FD as a replacement although for a 110 audi/passat after replacing the immo data the van ran pretty well... I figured as it seemed to work, i'd buy another... socket it and try out a tune I burned to some rewritable plcc32's, anyway... I couldn't get the glow plug to work, not sure if its an issue with how my chip burner is writing the files but in theory it should work i'm sure. I swapped HHH and LLL chips but still no good...
I then placed the original chips I blew off with the desolder station into the sockets and the engine started... but died... immobiliser blocked for some strange reason... and then it started up again...
I continued to play for a while figuring it was all ok.
We came to drive away the van with the original working 038906018FK ECU and after a while when needing to put our foot down a little, realised that the turbo wasn't working at all... I checked all vacuum pipes/intercooler/boost pipes and all seems ok.
I tried running through the output tests but realised the fuel shut off valve test came in before the N75 test so I couldn't test it... I'll have to try again tomorrow with basic settings and see if there is anything happening.
Anyway... I read faults on the engine module and here is what came up (although after clearing them, they've not since came back even after driving and logging the boost to make sure it wasn't doing a thing.):
. Perhaps a fuse but I doubt i'd be so lucky...
On Jetta's with ALH's I keep seeing mention of fuse #34 (10A) which has produced similar errors and symptoms... but I do not think the caddy has this many fuses... perhaps fuse 15 might be one to look at?
Any help would be appreciated... I think the multimeter must come out tomorrow so tips there would help to... any resistances and voltages to look out for..
Hope I can sort this out somehow with your help!
I then placed the original chips I blew off with the desolder station into the sockets and the engine started... but died... immobiliser blocked for some strange reason... and then it started up again...
I continued to play for a while figuring it was all ok.
We came to drive away the van with the original working 038906018FK ECU and after a while when needing to put our foot down a little, realised that the turbo wasn't working at all... I checked all vacuum pipes/intercooler/boost pipes and all seems ok.
I tried running through the output tests but realised the fuel shut off valve test came in before the N75 test so I couldn't test it... I'll have to try again tomorrow with basic settings and see if there is anything happening.
Anyway... I read faults on the engine module and here is what came up (although after clearing them, they've not since came back even after driving and logging the boost to make sure it wasn't doing a thing.):
Now... I swapped between the ECU's and car starts, drives but no turbo whatsoever! I'm hoping there isn't a wiring issue or lots of burnt out sensors to replace
. Perhaps a fuse but I doubt i'd be so lucky...On Jetta's with ALH's I keep seeing mention of fuse #34 (10A) which has produced similar errors and symptoms... but I do not think the caddy has this many fuses... perhaps fuse 15 might be one to look at?
Any help would be appreciated... I think the multimeter must come out tomorrow so tips there would help to... any resistances and voltages to look out for.
.Hope I can sort this out somehow with your help!