Section 84 (Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests)
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- HYBRID CONTROL SYSTEM (for 1Motor-HEV Model)
- DTC U0424-81: HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received [09/2023 - ]
- DTC U115E-87: Lost Communication with Drive Motor Control Module "B" (ch3) Missing Message [09/2023 - ]
- DTC U1176-87: Lost Communication with Gear Shift Control Module "A" (Powertrain Bus) Missing Message [09/2023 - ]
- DTC U117E-87: Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message [09/2023 - ]
- DTC U11B9-87: Lost Communication with ECM/PCM "A" (ch6) Missing Message [09/2023 - ]
- DTC U11BC-87: Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message [09/2023 - ]
- DTC U11BD-87: Lost Communication with TCM (ch6) Missing Message [09/2023 - ]
- DTC U3511-15: High Voltage System Interlock Circuit "B" Circuit Short to Battery or Open; DTC U3511-92: High Voltage System Interlock Circuit "B" Performance or Incorrect Operation [09/2023 - ]
- Brake Override System [09/2023 - ]
- Shift Paddle Switch Circuit [09/2023 - ]
- TRAIL Switch Circuit [09/2023 - ]
- Drive Start Control [09/2023 - ]
- ECU Power Source Circuit [09/2023 - ]
- Motor Resolver Circuit [09/2023 - ]
- Motor High-voltage Circuit [09/2023 - ]
- Rear Motor Resolver Circuit [09/2023 - ]
- Rear Motor High-voltage Circuit [09/2023 - ]
- Rear Shut Down Signal Circuit [09/2023 - ]
- Inverter Low-voltage Circuit [09/2023 - ]
- Rear Inverter Low-voltage Circuit [09/2023 - ]
- HV Battery High-voltage Line Circuit [09/2023 - ]
- Cooling System [09/2023 - ]