Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2025PRIUS PLUG-IN HYBRID XSE PREMIUMREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXDTC INDEX (2 OF 3)LIGHTING (EXT) DTCSLIGHTING SYSTEM
2025 Toyota Prius Plug-In Hybrid XSE Premium
Lighting System
2025 Toyota Prius Plug-In Hybrid XSE PremiumSECTION Lighting System
LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [12/2022 - 03/2023]
| DTC Code | Description |
|---|---|
| B1244-00 | Light Sensor Circuit Malfunction |
| B2439-00 | Headlight LH Circuit |
| B243A-00 | Headlight RH Circuit |
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message |
| U0101-87 | Lost Communication with TCM Missing Message |
| U0111-87 | Lost Communication with Battery Energy Control Module "A" Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module "A" Missing Message |
| U0151-87 | Lost Communication with Restraints Control Module Missing Message |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
| U0163-87 | Lost Communication with Navigation Control Module Missing Message |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message |
| U0168-87 | Lost Communication with Vehicle Security Control Module Missing Message |
| U0208-87 | Lost Communication with "Seat Control Module A" Missing Message |
| U0230-87 | Lost Communication with Rear Gate Module Missing Message |
| U023A-87 | Lost Communication with Image Processing Module "A" Missing Message |
| U023B-87 | Lost Communication with Image Processing Module "B" Missing Message |
| U0241-87 | Lost Communication with Headlamp Control Module "A" Missing Message |
| U0265-87 | Lost Communication with Image Processing Sensor A Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing Message |
| U1104-87 | Lost Communication with Driving Support ECU Missing Message |
| U1106-87 | Lost Communication with Electric Parking Brake Module Missing Message |
| U1107-87 | Lost Communication with Power Management Module Missing Message |
| U1110-87 | Lost Communication with Intuitive Parking Assist Module Missing Message |
| U1117-87 | Lost Communication with Accessory Gateway Missing Message |
LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [03/2023 - ]
| DTC Code | Description |
|---|---|
| B1244-00 | Light Sensor Circuit Malfunction |
| B2439-00 | Headlight LH Circuit |
| B243A-00 | Headlight RH Circuit |
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message |
| U0101-87 | Lost Communication with TCM Missing Message |
| U0111-87 | Lost Communication with Battery Energy Control Module "A" Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module "A" Missing Message |
| U0151-87 | Lost Communication with Restraints Control Module Missing Message |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
| U0163-87 | Lost Communication with Navigation Control Module Missing Message |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message |
| U0168-87 | Lost Communication with Vehicle Security Control Module Missing Message |
| U0208-87 | Lost Communication with "Seat Control Module A" Missing Message |
| U0230-87 | Lost Communication with Rear Gate Module Missing Message |
| U023A-87 | Lost Communication with Image Processing Module "A" Missing Message |
| U023B-87 | Lost Communication with Image Processing Module "B" Missing Message |
| U0241-87 | Lost Communication with Headlamp Control Module "A" Missing Message |
| U0265-87 | Lost Communication with Image Processing Sensor A Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing Message |
| U1104-87 | Lost Communication with Driving Support ECU Missing Message |
| U1106-87 | Lost Communication with Electric Parking Brake Module Missing Message |
| U1107-87 | Lost Communication with Power Management Module Missing Message |
| U1110-87 | Lost Communication with Intuitive Parking Assist Module Missing Message |
| U1117-87 | Lost Communication with Accessory Gateway Missing Message |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.