B15E6 on Toyota: How to Diagnose & Fix
Side Television Camera Signal Input Malfunction
2 Toyota models · 2 documented issues
B15E6 on Toyota by model: symptoms, diagnosis and fix
Toyota T-SB-0003-19 covers specified Fujitsu Ten Entune Audio, Audio Plus and Premium Audio head units in 2016-2017 Camry and Camry Hybrid vehicles. Depending on unit and software version, listed conditions include intermittent reboot or freeze, Bluetooth disconnect/operation problems, backup-camera display timing, missing/mismatched audio information, phone-book or message issues and DTC U1110, B15E6 or U0293. It does not support the original 2018-2023 scope, Android Auto claim or a universal freezing/backup-camera defect.
Common Symptoms
- Head unit reboots intermittently
- Intermittent freeze condition
- Intermittent Bluetooth disconnection or abnormal operation
- Backup camera stays on too long
- Audio or phone information is missing or mismatched
How to Fix
Record the exact symptom, head-unit panel ID and current software versions. Apply T-SB-0003-19 only to a listed Fujitsu Ten unit with software older than Toyota's specified version; follow the bulletin's controlled USB update and verification steps. If the software is current, Toyota says the bulletin does not apply and normal diagnosis continues. Do not replace the head unit, erase all pairings or assume a power-button reset is a repair unless the exact diagnostic procedure calls for it.
Owner tips & cautions
- TipPhotograph the panel ID and software-version screens before updating; T-SB-0003-19 only applies to listed Fujitsu Ten units below Toyota's specified versions.
- WarningDo not interrupt accessory power during Toyota's update sequence. If the unit is already current, continue diagnosis instead of repeating or forcing the update.
Sources for this issue (1)
Toyota T-SB-0024-20 applies to specified Denso-Ten Entune Audio, Audio Plus and Premium Audio faceplate/software combinations in 2016-2018 RAV4 and RAV4 Hybrid vehicles. The covered symptom list includes certain intermittent reboots or freezes, Bluetooth/audio behavior, navigation or display anomalies and, for applicable versions, DTC U1110 or B15E6. This is not evidence of one universal 2016-2021 RAV4 head-unit defect or an automatic need for hardware replacement.
Common Symptoms
- Intermittent Entune head-unit reboot or freeze
- Supported Bluetooth or audio operation anomaly
- Supported navigation or display anomaly
How to Fix
Record the exact symptom, phone/device context, head-unit faceplate ID and current software version. A Toyota dealer or qualified technician should compare them with T-SB-0024-20 and install the specified software only when the bulletin's gates are met. If the software is already current, the faceplate is not listed or the symptom persists, continue the applicable audio/visual repair-manual diagnosis before considering hardware. The original 36-month/36,000-mile basic-warranty window is expired; confirm any update charge in advance. Do not buy a generic powertrain OBD scanner as the remedy for this multimedia condition.
Owner tips & cautions
- TipPhotograph the faceplate ID and software-version screen and note the paired phone model/OS before requesting an update.
- WarningDo not replace the head unit or buy a powertrain scan tool from this card; current software, connections and bulletin applicability must be checked first.
Sources for this issue (2)
B15E6 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does B15E6 mean on a Toyota?
B15E6 stands for "Side Television Camera Signal Input Malfunction." B15E6 is a Toyota/Lexus body code stored by the navigation receiver assembly when it does not receive the expected video signal from the parking assist ECU for the side camera input. On US-market vehicles it is frequently benign: Toyota TSB T-TT-0379-15 (Dec 2015) states that some 2014-2015 RAV4 vehicles store B15E6 for a camera system not fitted to US-spec cars, that it has no adverse effect on navigation operation, and that no repair should be attempted. On vehicles actually equipped with a side/perimeter camera, it points to the camera, its video wiring, or the parking assist ECU. Because B-codes are manufacturer-defined, confirm the code text with a Toyota-capable scan tool if your vehicle is another make. On Toyota it is documented across 2 models: Camry, RAV4.
What are the most common causes of B15E6?
The most common causes of B15E6 are: Benign stored code on 2014-2015 US-market RAV4 for a side camera system not fitted (TSB T-TT-0379-15) — ignore, do not repair, Failed side-view camera on equipped vehicles, Open, shorted, or chafed video signal wiring between the camera and the parking assist ECU, Loose, corroded, or backed-out connector at the camera, parking assist ECU, or navigation receiver, Faulty parking assist ECU not outputting the video signal, Faulty navigation receiver assembly (the module that stores the code). The specific cause varies by vehicle.
How much does it cost to fix B15E6 on a Toyota?
Repair costs vary widely with the root cause and Toyota model; each issue on this page carries its own estimate where one is published.
Looking for B15E6 on a different make?
View B15E6 across all makes →Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.