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P3100 Diagnostic Trouble Code Discussion for December 2013

HV ECU Malfunction

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Trouble Ticket Help Requests for DTC P3100
Help Request Posted
2001 Toyota Prius 1.5L No Start, HV Control VIN: JT2BK12U71
Vehicle has P3100-172 in HV control. Best I can find info code 172 is an internal error in the HV ECU for the motor REF Signal Malfunction. Clean the code and it comes right back. No ready light, gas motor will not crank even if you try to put the HV ECU into ...
December 18, 2013