I have a feeling this is going to be a parts swapping situation. Anyone with a Viper by you willing? Start with Ecu. Maybe one of those pins at ecu got bent.
jeff_yam
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I have 2 viper, I will try to swap the 2 ECU.
Pin Q1 on Ecu and a Relay. Relay could be bad.
jeff_yam
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I have swaped the ECU and no error code.
Do you have the complete wiring diagram? The one I have is not a clear as your's...
Do you have the complete wiring diagram? The one I have is not a clear as your's...
Check your pm
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I suspect a relay because I have no code when the engine is hot. Do you know which relay to check? ISC relay? 3 of them have the orange wire.
I was thinking relay too but can’t be since all coils use same one. Has to be ecu since you swapped and no issues. If you can’t see anything externally I would send it to EVO.
jeff_yam
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Can you please tell me which relay it is?
I don’t know. Says voltage whatever that means. Sorry swap them around. Doubting that’s issue since it’s only one cylinder.
Call Evo
jeff_yam
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I have send an email to EVO and they tell me that my ECU is bad and they don't think that reflash will correct the problem.
Also I have try the ECU in my other Viper
And I have the P2300 code also. Then the problem is really the ECU
Also I have try the ECU in my other Viper
And I have the P2300 code also. Then the problem is really the ECU
The ECU was flashed by EVO already right? If so maybe something got corroded or broke internally since they have to remove the potting to flash it. Perhaps if they look it can be saved. Might be some used ECU's around by now. That sucks!
jeff_yam
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Yes... that sucks!! I have found a replacement ECU and EVO will transfert the flash on it but is closed from friday december 21 to january 2... I will not be able to ride until mid january...
Can't you run stock ecu?
