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P1636 Diagnostic Trouble Code Discussion for June 2011

TCM Internal - External Watchdog Performance


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Trouble Ticket Help Requests for DTC P1636
Help Request Posted
2003 Toyota Prius 1.5L MIL Lamp on VIN: JT2BK12U33
P1636: HV ECU Malfunction. Customer states, was sitting in line for gas with A/C running, outside temp was in excess of 100 Degrees. Warning lamps came on at this time (SES light, turtle light & hybrid system warning light). Customer drove home. The next day started vehicle and only...
June 23, 2011
2003 Toyota Prius 1.5L MIL Lamp on VIN: JT2BK12U33
P1636: HV ECU Malfunction. Customer states, was sitting in line for gas with A/C running, outside temp was in excess of 100 Degrees. Warning lamps came on at this time (SES light, turtle light & hybrid system warning light). Customer drove home. The next day started vehicle and only...
June 23, 2011