DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration 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 U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message [11/2018 - 08/2020]: Procedure
WARNING: This page is about a different car, the 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- CLEAR DTC
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Clear DTCs.
- Clear the DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs
Result
Proceed to NEXT
Result:
NEXT
See step 2
- CHECK FOR DTC
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Wait 5 seconds or more.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
- Check for DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes
OK
DTCs are not output.
Result
Proceed to OK NG
Result:
OK
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]
Result:
NG
GO TO CAN COMMUNICATION SYSTEM
for HV Model:
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 02/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ]
for Gasoline Model: