LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2023 >> Prius LE >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Electronic A/T Shift Lever System - Diagnostic Codes & Circuit Tests >> Electronic Shift Lever System >> DTC P18A8-62: Gear Shift Control Module "A"/"B" IGCT-Scene Signal Compare Failure [03/2023 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P18A8-62: Gear Shift Control Module "A"/"B" IGCT-Scene Signal Compare Failure [03/2023 - ]: Description

The shift actuator ECU activates when receiving an IGCT SCENE signal.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P18A8-62 Gear Shift Control Module "A"/"B" IGCT-Scene Signal Compare Failure When the ignition switch is ON (IG) and the BAT1 voltage is a certain value or more, a malfunction of the IGS1 terminal voltage is detected
(1 trip detection logic)
  • Shift control actuator assembly (Shift actuator ECU)
  • IGCT SCENE relay
  • Wire harness or connector
Does not come on Multi-information Display Error Message 
  • Displayed
Hybrid Control A SAE: P18A8