DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 350h, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR CONNECTION CONDITION (BATTERY VOLTAGE SENSOR)
See step 1
Result
Proceed to OK NG Result:
NG
CONNECT SECURELY
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (IGCT VOLTAGE)
See step 2
Result
Proceed to OK NG Result:
OK
REPLACE BATTERY VOLTAGE SENSOR. Refer to REMOVAL [10/2022 - ]
Result:
NG
See step 3
- 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)