DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U023A-87: Lost Communication with Image Processing Module "A" Missing Message [09/2022 - 11/2022]: Procedure
WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN COMMUNICATION SYSTEM
- Using the GTS, check if the CAN communication system is functioning normally.
HINT:
for HV Model: Refer to DIAGNOSIS SYSTEM [09/2022 - 11/2022]
for Gasoline Model: Refer to DIAGNOSIS SYSTEM [09/2022 - 11/2022]
Result
Proceed to NEXT
Result:
NEXT
END
- Using the GTS, check if the CAN communication system is functioning normally.