Fuel pump relay j17 open circuit p1541 runs fine. Wiring?????? - Club Touareg Forums
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post #1 of 15 Old 12-27-2014 Thread Starter
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Fuel pump relay j17 open circuit p1541 runs fine. Wiring??????

I have an 04 Touareg 3.2L that i am trying to get rid of this fuel pump relay open circuit code. Replaced both relays already and ohm checked both or the wires from each relay that run over to the ecu. Not real sure but i figure the wires going to the ecu are what throws the code and sets the MIL.

code is for relay j17 p1541

Any thoughts or help appreciated.
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post #2 of 15 Old 12-28-2014
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Need to see a complete scan for clues

2006 V10 TDI Reflex Silver/Anthracite w/Monster Mats, Cargo Shell, Nokian WRG2's, Telestart T91 and VCDS
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post #3 of 15 Old 12-28-2014 Thread Starter
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I actually figured it out. Took the left cowl fuse/relay panel all apart & found a broken wire from #15 fuse going to the rear most fuel pump relay. No codes at all now.

Just need to figure out my full throttle 4-5 harsh shift now which I believe is the valve body. Another issue is intake manifold related. Every time I take off from starting the car up it makes a loud hiss/ gasp of air noise only after a initial restart and that's it. Already replaced breather with a new one from Vw
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post #4 of 15 Old 01-04-2015
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Quote:
Originally Posted by kleinergti1 View Post
I actually figured it out. Took the left cowl fuse/relay panel all apart & found a broken wire from #15 fuse going to the rear most fuel pump relay. No codes at all now.

Just need to figure out my full throttle 4-5 harsh shift now which I believe is the valve body. Another issue is intake manifold related. Every time I take off from starting the car up it makes a loud hiss/ gasp of air noise only after a initial restart and that's it. Already replaced breather with a new one from Vw
Can't help on harsh shifting but the hiss could be caused by a tear in your PCV.
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post #5 of 15 Old 01-04-2015 Thread Starter
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actually installed a new oem one a month ago and still have the noise. Its very odd. Intake manifold is off now and i am checking the manifold out.
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post #6 of 15 Old 01-04-2015
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Originally Posted by kleinergti1 View Post
actually installed a new oem one a month ago and still have the noise. Its very odd. Intake manifold is off now and i am checking the manifold out.
When I removed my throttle body noticed a hose connected to some vacuum solenoid device had gotten brittle from heat and broke off. Never got a code. Can't say I heard a hiss. May be able to see with a mirror. It is below TB and next to the block. Not saying this is the problem but would not hurt to give a look.
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post #7 of 15 Old 01-04-2015 Thread Starter
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I checked that hose which i believe runs to the combi valve/egr. Also pulled the valve cover to peek inside and see how clean the engine was.

So i was thinking maybe the manifold was cracked or something. I just find it odd when driving it around town seems to be fine on power but in 6th gear just the slightest hill on the highway and it has to downshift to 5th everytime. That is my concern that it should not have to downshift. Just had the pan off and changed the trans fluid and filter as well.
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post #8 of 15 Old 01-05-2015
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Quote:
Originally Posted by kleinergti1 View Post
I checked that hose which i believe runs to the combi valve/egr. Also pulled the valve cover to peek inside and see how clean the engine was.

So i was thinking maybe the manifold was cracked or something. I just find it odd when driving it around town seems to be fine on power but in 6th gear just the slightest hill on the highway and it has to downshift to 5th everytime. That is my concern that it should not have to downshift. Just had the pan off and changed the trans fluid and filter as well.
How about the rotating barrel in the performance port side of the intake? Is the change over valve working properly? The solenoid? not certain if this would cause the issue. Seems if the intake had a crack performance would suffer all the time? I broke one of the intake vacuum nipples on the passenger side, closest to throttle body, and car ran like crap. Vw wanted to replace the whole intake. I just drilled out the broken connector and replaced with a steel fuel line with similar push pull connection Just gorilla glued it problem resolved.

If you are on the highway and use cruise control does the same thing happen going up hill, or does the car accelerate to maintain speed? Does the tranny still downshift?
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post #9 of 15 Old 01-08-2015 Thread Starter
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So i took the manifold off and valve cover as well just to inspect how clean the motor was and to verify that the timing was correct. That all checked out. Took the barrel out cleaned it all up and checked for cracks. Swapped over a whole vacuum assembly from my r32 and have been driving it since. Everything is working good. I guess i need to drive another v6 one as maybe they are a little under powered in 6th gear on the highway . I just feel it downshifts to 5th even on the littlest hill at 70-75 you think the motor would be in its sweet spot and not have to downshift. Cruise control it does the same drops to 5th to maintain the 70 and goes back into sixth. Shifts are smooth now too.
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post #10 of 15 Old 01-10-2015
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Quote:
Originally Posted by kleinergti1 View Post
So i took the manifold off and valve cover as well just to inspect how clean the motor was and to verify that the timing was correct. That all checked out. Took the barrel out cleaned it all up and checked for cracks. Swapped over a whole vacuum assembly from my r32 and have been driving it since. Everything is working good. I guess i need to drive another v6 one as maybe they are a little under powered in 6th gear on the highway . I just feel it downshifts to 5th even on the littlest hill at 70-75 you think the motor would be in its sweet spot and not have to downshift. Cruise control it does the same drops to 5th to maintain the 70 and goes back into sixth. Shifts are smooth now too.
Does the dash show a downshift or are you going by feel? The VR6 is underpowered for the weight of vehicle however once it gets moving not as sluggish, but still not a rabbit above 60 unless you are lead footed. Car takes about 9 seconds from standing start to 60. Maybe a little better in "S". When I bought mine in Oct 2004 seriously considered changing for a V8 Touraeg. Previously had Cherokee limited V8's, much lighter and faster 0 - 60. Not as well made, or robust in many areas. Brakes sucked and rotors warped almost every 10K miles.
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