DTC 01-21 ROM Error; DTC 01-22 RAM Error: Description
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLE DETECTION
| DTC No. |
DTC Detection Condition |
Trouble Areas |
| 01-21 |
This code is output when a malfunction exists in ROM. |
Radio receiver |
| 01-22 |
This code is output when a malfunction exists in RAM. |
HINT:
After the inspection is completed, clear the DTCs.
- REPLACE RADIO RECEIVER
NEXT: END