DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" (Hybrid/EV Battery Local Bus) Missing Message; DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message; DTC U0126-87: Lost Communication with Steering Angle 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 U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U1107-87: Lost Communication with Power Management Module Missing Message; DTC U111A-87: Lost Communication with ECM/PCM "A" (ch2) Missing Message; DTC U1154-87: Lost Communication with Drive Motor Control Module "A" (ch2) Missing Message; DTC U1170-87: Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message; DTC U117B-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message [11/2021 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the ECM, shift control ECU, MG ECU, skid control ECU, main body ECU, airbag sensor assembly, steering angle sensor, certification ECU (smart key ECU assembly) and air conditioning amplifier assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message | A CAN communication error between the ECM and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |
| U0103-87 | Lost Communication with Gear Shift Control Module "A" (Hybrid/EV Battery Local Bus) Missing Message | A CAN communication error between the shift control ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning: Comes on |
| U0110-87 | Lost Communication with Drive Motor Control Module "A" Missing Message | A CAN communication error between the MG ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | A CAN communication error between the steering sensor and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning: Does not come on |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | A CAN communication error (V BUS) between the skid control ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |
| U0140-87 | Lost Communication with Body Control Module Missing Message | A CAN communication error between the main body ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning: Comes on |
| U0151-87 | Lost Communication with Restraints Control Module Missing Message | A CAN communication error between the airbag sensor assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning: Comes on |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message | A CAN communication error between the air conditioning amplifier assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning: Does not come on |
| U1107-87 | Lost Communication with Power Management Module Missing Message | A CAN communication error between the certification ECU (smart key ECU assembly) and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning: Comes on |
| U111A-87 | Lost Communication with ECM/PCM "A" (ch2) Missing Message | A CAN communication error between the ECM and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |
| U1154-87 | Lost Communication with Drive Motor Control Module "A" (ch2) Missing Message | A CAN communication error between the MG ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |
| U1170-87 | Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message | A CAN communication error between the skid control ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |
| U117B-87 | Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message | A CAN communication error between the battery ECU assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning: Comes on |