DTC B2620: ECU Power Source Circuit Malfunction: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
The ECU power source circuit supplies positive voltage to the multiplex tilt and telescopic ECU.
DTC DETECTION ITEM AND TROUBLE AREA
| DTC No. | Detection Item | Trouble Area |
|---|---|---|
| B2620 | The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 sees or more |
|