LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> Highlander LE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Automatic Transmission System (UA81E / UA81F) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> Automatic Transaxle System >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [10/2022 - 11/2023] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs U0129: Verify communication
Required sensors/components (Main) Skid control ECU (Brake actuator assembly)
Required sensors/components (Related) -
Frequency of Operation Continuous
Duration 2.2 sec.
MIL Operation Immediately
Sequence of Operation None