DTC P3110-223: HV Main Relay [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU assembly monitors the IGCT relay and detects the following malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P3110-223 | HV Main Relay | IGCT relay stuck on (+B short): IGCT relay is stuck on or a short to B+ exists. Power to the hybrid vehicle control ECU assembly does not shut down when the power switch is turned off. (1 trip detection logic) |
|
Does not come on | Master Warning Light: Comes on |