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Home >> Toyota >> 2021 >> Venza LE >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (5 Of 5) & Symptom Tests >> Electronically Controlled Brake System >> DTC U0110-00: Lost Communication with Drive Motor Control Module "A"; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0293-00: Lost Communication with Hybrid/EV Powertrain Control Module; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U1150-00: Lost Communication with Hybrid Powertrain Control Module (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message; DTC U1492-57: Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component [07/2020 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

U0110 (CASE 2)

Monitor runs whenever the following DTCs are not stored C1021 (Case 2): Brake system voltage input open circuit
C14C7 (Case 1): Brake system voltage circuit low
C14C8: Brake system voltage circuit high
P2531: Brake system voltage input open circuit
U0293: Lost communication with HV (C1-Bus)
All of the following conditions are met -
IGP PT2 (CAN data) On
VM1 voltage Higher than 7.3 V, and less than 23.2 V
IGR voltage Higher than 9.5 V
U0129 AND U117D

Monitor runs whenever the following DTCs are not stored C1021 (Case 2): Brake system voltage input open circuit
C137C: Brake system voltage input out of range low
C137D: Brake system voltage input out of range high
C14C7 (Case 1): Brake system voltage circuit low
C14C8: Brake system voltage circuit high
Both of the following conditions are met -
VM1 voltage Higher than 7.3 V, and less than 23.2 V
IGR voltage Higher than 9.5 V
U0293 (CASE 2)

Monitor runs whenever the following DTCs are not stored C1021 (Case 2): Brake system voltage input open circuit
C137C: Brake system voltage input out of range low
C137D: Brake system voltage input out of range high
C14C7 (Case 1): Brake system voltage circuit low
C14C8: Brake system voltage circuit high
P2531: Brake system voltage input open circuit
Both of the following conditions are met -
VM1 voltage Higher than 7.3 V, and less than 23.2 V
IGR voltage Higher than 9.5 V
U1150 (CASE 2)

Monitor runs whenever the following DTCs are not stored C1021 (Case 2): Brake system voltage input open circuit
C137C: Brake system voltage input out of range low
C137D: Brake system voltage input out of range high
C14C7 (Case 1): Brake system voltage circuit low
C14C8: Brake system voltage circuit high
P2531: Brake system voltage input open circuit
U0293: Lost communication with HV (C1-Bus)
Both of the following conditions are met -
VM1 voltage Higher than 7.3 V, and less than 23.2 V
IGR voltage Higher than 9.5 V
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