DTC CHG_f040: Communication Problem between Charger and Gateway [09/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Alert Code	Monitoring Item	Detection Condition	Detection Timing	Trouble Area
CHG_f040	Communication problem between charger and gateway	The electric vehicle charger has not received expected messages from the EV gateway control ECU within the allowable time.	While power switch on (IG) During charging While power switch on (READY)	CAN communication system (EV control bus) Electric vehicle charger assembly EV gateway control ECU Wire harness or connector