Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
LEXUS Link system
LEXUS LINK SYSTEM SYMPTOM CHART
| Symptom | Suspected Area | See |
|---|---|---|
| Remote services disabled | Mayday ECU | - |
| Bus buffer ECU (DTC U0198) | DTC U0198 LOST COMMUNICATION WITH TELEMATIC CONTROL MODULE | |
| Main body ECU (DTC U0148) | DTC U0148 LOST COMMUNICATION WITH GATEWAY "C" | |
| CAN communication system | CAN COMMUNICATION SYSTEM | |
| Wire harness (DTC 5-1) | DTC 5-1 LEXUS LINK COMMUNICATION ERROR |