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Got error code P1402- DPFE hose upstream clogged/off & P0473- Exhaust pressure sensor circuit A high. Causes my Vito w639 120cdi 3litre v6 to go into limp mode until code deleted! Was advised to replace the dpfe sensor & the 2 Hoses with original parts as cheap parts fail & the Hoses also...

Hi, just an update on the issue... I tested the Black/Blue Wire on pin 36 at ESP module & can confirm it is shorted to ground, causing fuse to blow :mad: Any ideas what to try next? Fault codes are still; P1876 & P1906 Fault in CAN communication with N30/4 ESP Unless the esp module...

Hello, Ressurecting this old thread in a hope to help solve similar issue I have, any help much appreciated :thumb: However my brake light Fuse F3, 5amp blows when I LET GO of the brake pedal :dk::confused::eek: e.g. if I press brake and hold it then start engine, all is fine, but soon...

ah those diagrams helped, thanks, I was able to locate wire 0.75 bk/bu on MK2 pin 8, unplugged this connector & continuity to ground issue disappeared on the brake lamp switch wire, so now... Where is the N30/4 ESP module? Seems the issue is either the N30/4 unit or the bk/bu wire coming...

Thanks, I managed to get to the k40/9, what a headache, this is the C1 connector but pin 7 has 2 pink wires with red stripes & pin 1 actually has the black/yellow wire? However this is the other large rectangular connector on left hand side: Pin 7 here appears to be the black/yellow wire from...

Thanks again, I tried to take apart fuse box but was not to confident so left it for now, but I was able to find a few more diagrams though :thumb: So this is the problem wire: Found this pic online, under side to the top part of fuse & relay block I believe (k40/9)? it has 9 connectors...

Hi, thanks for reply, where is this pin 7? I have a fuse box layout diagram but not sure :confused:

Hi guys please help, If I keep brake pedal pressed & start engine all is fine but soon as let go of brake pedal the fuse blows, no brake lights & EPS + ASR light on! The Yellow/Black wire on brake light switch is return signal telling system pedal is Not being pressed but is shorted to...

Hi guys, AC not worked for while in my Vito W639 120cdi, suddenly stopped blowing cold & compressor does not turn on, checked fault codes, not sure what 2nd code means but 1st says faulty Refrigerant Pressure Sensor. Shall I replace the sensor or could this code have been triggered...

I'm not sure mate, but yes definitely don't want to be messing with the brakes/safety, so need to figure out what these pipes on the inlet manifold are :confused:

Here's a pic with cover off, I'm not to familiar with this engine so could someone please confirm if these 3 pipes, marked with red X, are coming of inlet manifold and if so which one could be used for boost gauge? thanks.

I've read that on turbo diesel engines the inlet manifold or pipe after intercooler is best place to connect a boost pressure gauge, just wanted to confirm this for my 120cdi? and apologies for confusion, I wasn't sure if this engine has a factory boost pressure sensor already and if so could...

Hi guys, I have some gauges from previous vehicle, where would be best place to connect the boost pressure gauge on the 120cdi v6? Also here is a pic of the parts, I wanted to find out if it would be possible to connect it electronically only? Theirs just 1 signal wire from the sensor...

Hi, did you manage to fix this? I've got the exact same issue however mine started after someone tried to break in through that door so handle was bit damaged!

Hello, just came across this old thread, very interesting and nice to see many have enjoyed their 120cdi vitos, I've also had similar issues and would appreciate any help & advice from experienced owners :thumb...

Thanks, I was looking into doing this but couldn't find much info on my vehicle! is it difficult to diy? and could this have been causing the limp/no power issue all along? as only the most recent event gave this fault code.

This is the error code, today engine struggled to start & glow plug light remained on briefly, but engine management light is off now and van drove fine, so I cleared the code and all seems ok, also forgot to mention when it was serviced I noticed some oil on the Orange turbo seal area, not sure...

Hi guys, got a few issues & not sure if their related, bare with me I'll try explain :thumb: Had my Vito auto 2009 120cdi 3yrs and been great but occasionally has gone into limp mode but after a restart all is usually fine, however today engine management light came on after restart and...

Hello, My Vito w639 only has a factory immobiliser so I just got professionally fitted a oem clifford 330x1 alarm to make it a full Thatcham cat 1 alarm upon collection I asked the actual guy who installed it what the sensitivity on the shock sensor is set to which he answered it's been...

oh ok i will check it out, thanks :thumb: