DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 127 (Electronically Controlled Brake System (HV) - Diagnostic Codes (11 Of 11), Symptom Tests & Circuit Tests) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC U0074-88: Control Module Communication Bus "B" Off Bus Off; DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U025E-87: Lost Communication with Electronic Brake Booster Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain 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 U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message [10/2021 - 11/2023] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different variant/trim than selected.
Related DTCs U0074 (Case 1): Late communication with multi-axis acceleration sensor module
U0074 (Case 2): Late communication with steer sensor module
U0100: Lost communication with ECM/PCM "A" (C-bus)
U0110: Lost communication with drive motor control module "A"
U0125: Lost communication with multi-axis acceleration sensor module
U025E: Lost communication with electronic brake booster control unit (C-Bus)
U0293: Lost communication with HV (C-Bus)
U1107: Lost communication with collation ECU
U111A: Lost communication with ECM/PCM "A" (P-Bus)
U1150: Lost communication with HV (P-Bus)
Required Sensors/Components (Main) No. 2 skid control ECU (brake actuator assembly)
Required Sensors/Components (Related) No. 2 skid control ECU (brake actuator assembly)
Frequency of Operation Continuous
Duration 1 second: U0125
2 seconds: U0100, U0110, U025E, U0293, U111A and U1150
3 seconds: U1107
60 seconds: U0074 (Case 1 and 2)
MIL Operation Immediately
Sequence of Operation None
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