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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 110 (Hybrid Control System (2WD) - Diagnostic Codes (5 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P1C84-49: High Voltage Power Resource Circuit Short during Ready ON [12/2019 - 11/2023] >> Description

DTC P1C84-49: High Voltage Power Resource Circuit Short during Ready ON [12/2019 - 11/2023]: Description

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Refer to the description for DTC P0AE4-11.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1C84-49 High Voltage Power Resource Circuit Short during Ready ON High-voltage circuit malfunctions between the HV battery and inverter with converter assembly.
The voltage before boosting continues to be out of the HV battery voltage range or the integrated value of variation amount of the voltage before boosting for a specified period of time is large while the ignition switch is on (READY).
The EV electric battery fuse is blown, the service plug grip is removed, SMRB or SMRG remains open, or the high-voltage cable has an open circuit.
(1 trip detection logic)
  • HV battery junction block assembly
  • Wire harness or connector
  • Hybrid vehicle control ECU
 Comes on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P1C84-49
  • Hybrid Battery Voltage
  • Hybrid Battery Current
  • VL-Voltage before Boosting
  • VH-Voltage after Boosting

The following items can be helpful when performing repairs:

Data List 

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