DTC B1242 Wireless Door Lock Tuner Circuit Malfunction: Description
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
The door control receiver receives signals from the transmitter and sends these signals to the main body ECU.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Suspected Area |
|---|---|---|
| B1242 | In diagnostic mode, applicable RDA signal cannot be received within 1 second of PRG signal being output from main body ECU. |
|