DTC U0101: Lost Communication with TCM; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Combination Meter; DTC U0293: Lost Communication with HV ECU [10/2015 - ]: Procedure
WARNING: This page is about a different car, the 2018 Toyota Avalon, 2017 Toyota Avalon, and 2016 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [10/2015 - ]
- Perform the following procedure.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
- Turn the power switch on (IG) and wait 1 minute or more.
- Drive the vehicle at a speed of 1 km/h or 1 mph or more for 5 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [10/2015 - ]
Result
Result Proceed to DTC U0101, U0123, U0126, U0129, U0131, U0142, U0155 and U0293 are not output A DTC U0101, U0123, U0126, U0129, U0131, U0142, U0155 or U0293 is output B
Result:
A
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]
Result:
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]