DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [11/2023 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS AND CONNECTOR (IGCT VOLTAGE)
See step 2
Result
Proceed to OK NG Result:
OK
REPLACE BATTERY VOLTAGE SENSOR. Refer to REMOVAL [11/2023 - ]
Result:
NG
See step 2
- CHECK HARNESS AND CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND)
See step 3
Result
Proceed to OK NG Result:
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR (IGCT NO. 2 FUSE - BATTERY VOLTAGE SENSOR)
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND)