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ECM NO RSP

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Old Feb 25, 2026 | 04:26 PM
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Default ECM NO RSP

Hii..need some help from you guys..

my roadglide 2015 was tuned by screamin’ eagle super tuner previously..and i’m just changed new exhaust on my bike yesterday and decided to new tune but this time i will using dynojet PV4..when i tried to flash my bike with dynojet tune files,it keep show error message..after few times i’ve tried,it still cant be use..and now my bike show “ECM NO RSP” and cant start the engine at all..what i suppose to do?

 
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Old Feb 25, 2026 | 04:37 PM
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my roadglide 2015 was tuned by screamin’ eagle super tuner previously.
Did you put the ECM back to the original factory tune with the screaming eagle tuner before you used the PV4?
 
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Old Feb 25, 2026 | 04:47 PM
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Turn the kill switch "ON" on the right handle bar.
 
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Old Feb 25, 2026 | 05:14 PM
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Originally Posted by CoolBreeze3646
Did you put the ECM back to the original factory tune with the screaming eagle tuner before you used the PV4?
No..i never know about this before connect pv4 to my bike
 
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Old Feb 25, 2026 | 05:14 PM
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Originally Posted by MURPHCC1
Turn the kill switch "ON" on the right handle bar.
i tried to start the engine but its not working..the engine cannot be start
 
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Old Feb 25, 2026 | 05:41 PM
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Originally Posted by fairol85
No..i never know about this before connect pv4 to my bike
Well if you do not have the screamin eagle tuner to put the factory tune back in the ECM, you will probably need to take it to a dealer and have them put the factory tune back in.

I expect the PV4 is looking for the factory tune and just sees the screaming eagle tune and then faults to the error.

Review your PV4 documentation. May be worthwhile to contact DynoJet and tell them of the issue. support@dynojet.com

Do you have an account with Dynojet?

That is all I've got. Good luck.
 
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Old Feb 25, 2026 | 05:41 PM
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Originally Posted by fairol85
i tried to start the engine but its not working..the engine cannot be start
The Screamin Eagle Pro Street Tuner or Super Tuner will NOT return the bike to stock, never has never will. Call Dynojet and get then to help you sort it out as its their unit thats caused the issue. Make sure that your battery is fully charged and it would be a good idea to remove the Head Lamp fuse while trying to get this resolved.
 
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Old Feb 25, 2026 | 05:55 PM
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Originally Posted by CoolBreeze3646
Well if you do not have the screamin eagle tuner to put the factory tune back in the ECM, you will probably need to take it to a dealer and have them put the factory tune back in.

I expect the PV4 is looking for the factory tune and just sees the screaming eagle tune and then faults to the error.

Review your PV4 documentation. May be worthwhile to contact DynoJet and tell them of the issue. support@dynojet.com

Do you have an account with Dynojet?

That is all I've got. Good luck.
yes,i have account with dynojet..just emailed to them regarding this issues..today will bring my bike to authorized harley’s dealer to deal with this thing..thanks for your advise
 
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Old Feb 25, 2026 | 09:02 PM
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According to Fuel Moto web site. "No Rsp" (no response) will also appear if the run/off switch is in the off position when doing this procedure. Was the run/off switch in the on position when trying to flash my bike with dynojet tuner?
 
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Old Feb 25, 2026 | 09:15 PM
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Originally Posted by rocksandgiz
According to Fuel Moto web site. "No Rsp" (no response) will also appear if the run/off switch is in the off position when doing this procedure. Was the run/off switch in the on position when trying to flash my bike with dynojet tuner?
it was in ON position when trying flashing my bike..i can hear the fuel pump sound when i put it ON position
 
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