DTC B1498-87: A/C Inverter Local Missing Message [08/2023 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU and compressor with motor assembly communicate via direct line. Compressor control is stopped and this DTC is stored if communication information is cut off or abnormal information is received.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| B1498-87 | A/C Inverter Local Missing Message | Diagnosis condition:
Malfunction status:
Detection time:
Trip:
|
|
Come on | Memorized | Air Conditioner | A | SAE Code:
|
DTC DETECTION CONDITION COMBINATION TABLE
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | READY ON | ◦ | ◦ | ◦ |
| Malfunction | Error in communication line between the hybrid vehicle control ECU and compressor with motor assembly | ◦ | - | - |
| Open in communication line between the hybrid vehicle control ECU and compressor with motor assembly | - | ◦ | - | |
| High-voltage power source shut off | - | - | ◦ | |
| Detection Time | - | - | - | |
| Trip Count | 1 trip | 1 trip | 1 trip | |
HINT:
If the conditions of either of these patterns are detected, a DTC will be stored