DTC B14B2-87: Lost Communication with Front Panel LIN Missing Message [11/2022 - ]: Description
WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.
The air conditioning control assembly communicates with the air conditioning amplifier assembly via LIN communication.
If a malfunction occurs in the LIN communication system, the air conditioning amplifier assembly will not operate, even if the air conditioning control assembly is operated.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory |
|---|---|---|---|---|
| B14B2-87 | Lost Communication with Front Panel LIN Missing Message | Diagnosis Condition:
Malfunction Status:
Detection Time:
|
|
Memorized |
DTC DETECTION CONDITION COMBINATION TABLE
| Vehicle Condition | |||
|---|---|---|---|
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ |
| Malfunction | Error communication with air conditioning control assembly | ◦ | - |
| Lost communication with air conditioning control assembly | - | ◦ | |
| Detection Time | Continuously for 10 seconds or more | Continuously for 10 seconds or more | |
| Trip Count | 1 trip | 1 trip | |
HINT:
If the conditions of either of these patterns are detected, a DTC will be stored.