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Hi Bob, Now I have mini vci with software ver 9, how this scanner can help me find the cause of these p1636 and p3002 ? please write the steps to...
sorry its 8998-47040.
Hi Bob If I have to replace the HV ECU, can I use 89981-470640 ? My car has updated 89981-47063
I have HV ECU out, seems like never been touched before, all clean and no sign of any corrosion or damage, reseated all the connectors. Please...
Thank you so much for the detailed reply, I will check the HV ECU for loose connections. Should I disconnect 12V before unplugging/resenting HV...
Thankyou for the prompt reply. I am sorry to hear about family medical, I hope everybody alright. after resetting the codes, it takes 3 or four...
I already have posted a new code I found and also the new 12V readings, I was hoping for your input. is techstream would be a good diagnostic...
Thankyou for your input. My 12v battery is brand new (Optima 8073-167-51R), MY positive terminal is new, my complete Negative terminal and cable...
Which diagnostic software are you using to retrieve all these readings from the HV battery ? Is techstream is a good diagnostic software for prius ?
Thankyou for the expert advice. I would like to check the corrosion myself. is there anything else you can think of before I go and open up the HV...
I also did the voltage test with another VOM here are the results : Aux battery voltage...
I dont have shop manual. I dont understand "OFF to AUX, AUX to ING, ING to READY" I am new to prius and gen 1 has ignition switch, so if you write...
I do have a more expensive scanner Autel MD801, but its a generic too. I will try with the other scanner to see if it pick up diferent codes. I...
Hi Bob, I appreciate all your help, I will do everything you suggested and will report back. Do you think P1636 & P3002 are not the accurate...
How to reset HV ECU ?
I am using my generic OBD2 scanner. I found the following description of the codes : DTC P3002: HV ECU communication malfunction. The traction...
My VOM is digital, you are right it may be showing wrong V, I will get another one. AUX battery is brand new 5 days old Optima Yellow Top...
Thakyou for explaining and I appreciate your help. I just checked the voltage : car off = 14.9V engine running = 16.6V Please advice what else...
