Diagnostic Trouble Code Chart [12/2018 - ]

WARNING: This page is about a different car, the 2022 Toyota Prius, 2021 Toyota Prius, 2020 Toyota Prius, and 2019 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM

DTC No.	Detection Item	Note	Link
B2415	Vehicle Speed Sensor	-	Refer to DTC B2415: Vehicle Speed Sensor [12/2018 - ]
B2416	Height Control Sensor	-	Refer to DTC B2416: Height Control Sensor; DTC B241A: Rear Height Control Sensor [12/2018 - ]
B2417	Headlight Beam Level Control Motor LH	-	Refer to DTC B2417: Headlight Beam Level Control Motor LH; DTC B2418: Headlight Beam Level Control Motor RH [12/2018 - ]
B2418	Headlight Beam Level Control Motor RH	-	Refer to DTC B2417: Headlight Beam Level Control Motor LH; DTC B2418: Headlight Beam Level Control Motor RH [12/2018 - ]
B241A	Rear Height Control Sensor	-	Refer to DTC B2416: Height Control Sensor; DTC B241A: Rear Height Control Sensor [12/2018 - ]
B2424	Headlight Beam Level Control Motor LH Lost Communication	-	Refer to DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [12/2018 - ]
B2425	Headlight Beam Level Control Motor RH Lost Communication	-	Refer to DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [12/2018 - ]
B2450	Height Sensor Initialization Incomplete	-	Refer to DTC B2450: Height Sensor Initialization Incomplete [12/2018 - ]
B2451	Variation Code not Written	-	Refer to DTC B2451: Variation Code not Written [12/2018 - ]
B2452	Abnormal Height Sensor Data at Initialization	-	Refer to DTC B2452: Abnormal Height Sensor Data at Initialization [12/2018 - ]
B2456	Left Headlight ECU Variation Error	-	Refer to DTC B2456: Left Headlight ECU Variation Error [12/2018 - ]