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Old 04-05-2012, 05:16 PM   #1
FABSTER
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Exclamation HELP with codes and diagnostics, bike dumped on me while riding... >=-(

OK here is the story, bike was working perfectly but yesterday it really went bananas and ended up behaving like a POS...

I left home and like a mile after I stopped to refill gas. After leaving the gas station I cranked the throttle and noticed it reacted funny, almost like hitting the rev limiter even if the RPMs where still low.

Kept riding and taking up the highway I cranked the throttle and noticed it reacted funny again, sometimes it revved up properly and sometimes it felt like if I had downshifted...

All of a sudden it starts stuttering like having a charge problem or something and then dies while riding... I parked to the side and tried to restart the bike to no avail. Since I was like 10 miles from home, my Wife came in the car and we jumped the bike for a LONG period before it started. Tried to ride it but it behaved like a total POS so I stopped shortly and had the bike towed home by a friend.

First impression was the battery was fried and giving problems, hence it didnt had enough charge to keep the bike's vital functions while operating, but after charging it with the tender and firing up the bike a couple times, it still behaves like crap, sometimes not firing at all.

1) First thing I notice is that after revving it, it revs down in a slowly fashion independent of the TB butterflies closing: for example, the butterflies close completely and the engine is still revving down slowly.

2) Even when the tach is not working, I can monitor the RPMs with the shift light and it shows to be in 1,200 RPMs when it stays fired, which is the normal reading.

Bike is a 2005 VRSCSE, the display shows PSSPt, which I understand refers to

P= ECM
S= TSM/TSSM
SP= Speedometer
t= tachometer

After checking the diagnostic codes (first time for me) and clearing them up, I got these readings:

P= nonE / Pn 127 P001-0
S= nonE / Pn 68922-00C
Sp= b1004 / End / Pn 74480-05
t= no rSP

Ok, as you can see I'm new to this so that's why I listed everything.

In the big picture what I can interpret is:

1) "b1004" which according to the Code lists it's a "fuel sender low code" (B1004- Current Fuel sender low 2.11 DTCB1004/B1005).
2) The "no rSP" code on the tach clearly indicates the tach is not working
3) The "Pn 68922-00C" shows like the part number of the TSSM security module
4) The "Pn 74480-05" shows to be the VRSCSE speedometer
5) No idea on the "Pn 127 P001-0" numbers


I'll keep reading and checking here and on the manuals, but ANY help will be highly appreciated... it was really depressing to see my bike going from perfect form to a dying stage, and on top of that letting me stranded on the highway...
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Old 04-05-2012, 06:23 PM   #2
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Wild guess: mucho water in the gas.
(No chance you filled up with Diesel, is there? Don't ask why I asked this, mmmKay?)
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Old 04-05-2012, 06:36 PM   #3
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Hehe, no diesel, that I'm aware of, unless the fuel was crapped or something?....
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Old 04-05-2012, 07:52 PM   #4
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check connector going to fuel pump under the seat.

Disconnect it and check it for cracks at both ends.
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Old 04-05-2012, 09:19 PM   #5
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Thanks a lot guys! Just returned from church and a divine thought came to my mind thinking about gator's statement about the fuel , I remembered that finishing the refill, the fuel bursted off the tank and spilled all over the place, I usually have a couple napkins around but this time I had none, so tomorrow I'll be checking below the seat as RSC advised since the symptoms started right after leaving the gas station, who knows if that spill messed up something?!

After some reading I've seen similar behavior with faulty voltage regulator and fuel pumps, some stating the fuel pump can work intermitently and hence making it difficult to diagnose. So far it can be heard with the ignition switch but I'll keep an eye on it...

Any other suggestions will be appreciated, thanks for your insights!
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Old 04-06-2012, 01:17 PM   #6
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Ok not much time today to check things but did a little bit.

1) fuel pump connector under the seat looks good, as well as the connecting lines/hoses at least at that end (fuel tank side).

2) At this stage the engine cranks but not starts, and checking through the manual troubleshooting made a test and confirmed the engine actually starts if the throttle blades are open and stalls and dies when the blades close down, so looks like it's maybe an IAC related problem
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Old 04-06-2012, 03:42 PM   #7
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Take the fuel cap off and look in the tank and see if you see bubbles when the pump primes.

I have had the fuel line come off the the pump once.
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Old 04-06-2012, 04:24 PM   #8
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You may want to remove the top off the air box and check the throttle butterfly's .See if they are operating /opening correctly.
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Old 04-06-2012, 04:39 PM   #9
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Butterflies seem to be opening/closing normally, thing is it sounds like out of tune or something right when it fires, it's not the normal exhaust note. Another thing is it cranks and fires when it's left for a period of time, then when you fire/turn it off a couple times, it cranks but doesnt want to fire UNLESS I open the throttle-butterflies like described before and makes some sort of "puff" sound like coming from the TBs or injectors.... Which makes me remember when the wife's Softail had a loose spark plug wire..... maybe???? Hhmmmm....

-update: doesnt look like the spark plug wires are loose after taking a look..
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Old 04-06-2012, 04:46 PM   #10
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Hmmmm.... Don't know if this is what you mean Rod:

What you see before the pump primes is the reflection of the ceiling , just in case

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Old 04-07-2012, 01:51 AM   #11
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How much fuel spilled over and have you got a power commander tucked under the gap between the tank and seat?
If it was me i'd get the seat off and unplug every connector and douse the plugs in WD40 before reconnecting.
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Old 04-07-2012, 05:33 AM   #12
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Quote:
Originally Posted by stevel View Post
How much fuel spilled over and have you got a power commander tucked under the gap between the tank and seat?
If it was me i'd get the seat off and unplug every connector and douse the plugs in WD40 before reconnecting.
Steve
No power commander, as for the spill Nothing out of the ordinary, only that I couldn't find something to dry it up afterwards.
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Old 04-07-2012, 07:20 AM   #13
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Do you have 58mm throttle bodies or stock? If they are 58's make sure the pivot pins for both butterflies are not cracked underneath the butterflies. It is amazing how much that can throw off your tune. Just one more thing to rule out.
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Old 04-07-2012, 07:24 AM   #14
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Also, what tuner are you using? Are you running 02 sensors?
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Old 04-07-2012, 07:43 AM   #15
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58 mm Destroyer TBs, Race tuner (old version), no O2 sensors... Checked the butterfly shafts and doesn't look like they are damaged. Was thinking about finally changing the throttle/idle cables since I adjusted them recently before that dreaded ride and the service manual states the IAC symptoms can result from other stuff like misadjusted throttle shaft, air leaks, etc... Don't have much hope on that solving the problem but the cables need to be replaced anyways so...
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