DTC B13A2-96: Front Left Radiation Heater Component Internal Failure [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.
When the No. 1 quick heater and accessory assembly detects a malfunction in the internal circuit, a malfunction signal is sent to the air conditioning amplifier assembly.
When the air conditioning amplifier assembly receives a malfunction signal from the No. 1 quick heater and accessory assembly, heater control of the driver seat side radiant heater stops and a DTC is output.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| B13A2-96 | Front Left Radiation Heater Component Internal Failure | Diagnosis Condition:
Malfunction:
Detection Time:
Trip Count:
|
No. 1 quick heater and accessory assembly | Does not come on | Memorized | Air Conditioner | A | - |