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Home >> Toyota >> 2021 >> Venza LE >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Key System (For Start Function) - Diagnostic Codes & Symptom Tests (1 Of 2) >> SMART KEY SYSTEM (for Start Function) >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [07/2020 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
  • After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

HINT: 

When the cable is disconnected and reconnected to the negative (-) auxiliary battery terminal, the power source mode returns to the state it was in before the cable was disconnected.

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