Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
Wireless door lock control system
WIRELESS DOOR LOCK CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area |
|---|---|---|
| B1242 | Wireless Door Lock Tuner Circuit Malfunction |
|