DESS ERROR Fixed, now got Error Code U0155 & won't start - HELP PLEASE!!

[ottawa-rider]

the wide open throttle start procedure is usually used when you suspect an engine from being flooded, meaning too much gas in the intake.

I guess that was the problem in this case. Now the question becomes, why was it flooded?

 

[billybovine]

What do you suspect happened and why?

If the engine was able to crank over, agree it was not DESS related.

Do you suspect the fault code is leftover from the previous problem?

Do you know if the machines will self clear faults after so many cycles with no fault?

PK

From my own experience and from others posting. If the Spyder has been sitting for a while or if they have been on a trailer ride. Every once in a blue moon they flood instead of start. Does not make sense since they are fuel injected, it should not happen.

Whether there is a TCM code or not it should not have any effect on starting. Unless there was a low voltage problem and then there would be a cascade of codes streaming across the screen. This code in particular was a communication problem. I tend to ignore communication codes unless they are actually causing a problem. A lot of stuff happening on power up and one module is unhappy with another for not speaking up fast enough.

Fault codes change from active to occured several different ways. It all depends on the specific fault type. As soon as the problem is fixed the fault goes away. Or after a period of time the problem does not come back the fault goes away. Or after a power down cycle, key off for 30 seconds and if the original problem is still not there on power up. I have also been told that some faults can only be clear by BUDS. I am skeptical of that and would like to know which ones those are.

 

[Deanna777]

I took it for a short ride and she ran fine. I just didn't shut it off until I returned home. I left is set for about 30 minutes and went out and it started right up. It's still going to the dealer, due to the DESS error, and for their opinion on today's U0155. We're headed to Spyderquest in a couple of weeks and I want the Spyder to be fully ready for the trip. I also have to replace the original rear tire. Only 6,888 miles on it.

Nice to hear that you got your Spyder started. Sent pm.

Deanna

 

[PMK]

From my own experience and from others posting. If the Spyder has been sitting for a while or if they have been on a trailer ride. Every once in a blue moon they flood instead of start. Does not make sense since they are fuel injected, it should not happen.

Whether there is a TCM code or not it should not have any effect on starting. Unless there was a low voltage problem and then there would be a cascade of codes streaming across the screen. This code in particular was a communication problem. I tend to ignore communication codes unless they are actually causing a problem. A lot of stuff happening on power up and one module is unhappy with another for not speaking up fast enough.

Fault codes change from active to occured several different ways. It all depends on the specific fault type. As soon as the problem is fixed the fault goes away. Or after a period of time the problem does not come back the fault goes away. Or after a power down cycle, key off for 30 seconds and if the original problem is still not there on power up. I have also been told that some faults can only be clear by BUDS. I am skeptical of that and would like to know which ones those are.

Good answers, thanks.

So taking some stuff further. I watched Shawns video the other day on the oil change #2. He showed a bunch of BUDS / MPI-2 stuff. One thing he did do was rest the maintenance to zero. I assume or the oil change. If this is not reset will it show a cluster light, or can the average DIY person reset to 0 by some other means. I saw no mention in the Maintenance Manual but maybe overlooked it.

I am now looking for an MPI-2 setup, and will buy the unlock code once I have the hardware.

PK

 

[billybovine]

Good answers, thanks.

So taking some stuff further. I watched Shawns video the other day on the oil change #2. He showed a bunch of BUDS / MPI-2 stuff. One thing he did do was rest the maintenance to zero. I assume or the oil change. If this is not reset will it show a cluster light, or can the average DIY person reset to 0 by some other means. I saw no mention in the Maintenance Manual but maybe overlooked it.

I am now looking for an MPI-2 setup, and will buy the unlock code once I have the hardware.

PK

I watched that video too. What I really found interesting was that you can see all the driver control switch/button inputs. That brings up the question of why some dealers seem to take so long to diagnose faulty switch issues.

The maintenance record I think is a record only and will not show a cluster light. If it did I would have shown a light a long time ago.

This spring I downloaded a trial version of BUDS. At the time I did not have any time to look at it. I recently tried to use it again. It had timed out and no longer usable. This winter I will try it again.

 

[IdahoMtnSpyder]

I also want to thank you, Billy, for your suggestion. I never heard of the "wide open throttle start" before, but it's a good trick to keep in my "problem solving arsenal".

Pit Bull techs do it to build up oil pressure before starting the engine after an oil change.