DTC B2402 Transistor Relay Overload Malfunction: Description
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
The electric current flowing in the transistor inside the rear junction block is examined by the rear junction block ECU.
When excessive current is detected, DTC B2402 is output.
Turning OFF the power switch clears the DTC.
DTC DETECTION CONDITION CHART
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2402 | Transistor relay overload malfunction |
|