Section 16 (Lighting System (W/ AFS) - Diagnostic Codes & Circuit Tests)
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.
- LIGHTING SYSTEM (w/ AFS)
- Vehicle Control History [07/2020 -]
- DTC B1244: Light Sensor Circuit [12/2018 -]
- DTC B2414: Steering Position Sensor [12/2018 -]
- DTC B242C: Right Headlight ECU Malfunction; DTC B242D: Left Headlight ECU Malfunction [12/2018 -]
- DTC B242E: Open in IG Circuit [12/2018 -]
- DTC B2439: Headlight LH Circuit; DTC B243A: Headlight RH Circuit [12/2018 -]
- DTC U0073: Control Module Communication Bus OFF; DTC U0101: Lost Communication with TCM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [12/2018 -]
- DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [07/2020 -]
- DTC U0235-87: Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message [07/2020 -]
- DTC U0242: Lost Communication With Headlamp Control Module "B" [12/2018 -]
- DTC U1000: CAN Communication Failure (Message Registry) [12/2018 -]
- Circuit Tests
- Turn Signal Switch Circuit [12/2018 -]
- Headlight Dimmer Switch Circuit [12/2018 - 06/2021]
- Headlight Dimmer Switch Circuit [06/2021 -]
- Parking Light Circuit [12/2018 -]
- Daytime Running Light Circuit [12/2018 -]
- Front Fog Light Circuit [12/2018 -]
- Hazard Warning Switch Circuit [12/2018 -]
- Back-up Light Circuit [12/2018 -]
- Parking Brake Switch Circuit [12/2018 -]
- Taillight Relay Circuit [12/2018 -]
- Power Source Circuit [12/2018 - 07/2020]
- Power Source Circuit [07/2020 -]
- High Beam Headlight Circuit [12/2018 -]